Profil Mahendrawathi ER

Profil Prof. Mahendrawathi Er., ST., M.Sc., Ph.D.

Professor in Business Process Management

Enterprise Systems Laboratory

Department of Information Systems, Institut Teknologi Sepuluh Nopember, Surabaya, Indonesia

mahendra_w@is.its.ac.id or  mahendrawathi.er@gmail.com

NIP.197610112006042001 and NIDN  0011107607

EDUCATION

  • PhD in Manufacturing Engineering and Operations Management, University of Nottingham, UK, (October 2000 – October 2004).
  • Master of Science (with Distinction) in Operations Management and Manufacturing System, University of Nottingham, Nottingham, UK, (October 1999 – September 2000).
  • First Degree in Industrial Engineering, Sepuluh Nopember Institute of Technology, Surabaya, Indonesia, (July 1995 – September 1999).

WORK EXPERIENCE

  • Lecturer in Information Systems Department, Faculty of Information Technology, Institut Teknologi Sepuluh Nopember, Surabaya, Indonesia (April 2006 – present).
  • Research Associate, Nottingham University Business School, University of Nottingham, UK, (June – November 2004). Working in a project called Value Improvement through Virtual Aeronautics Collaborative Enterprise (VIVACE), a large European Union-funded Framework 6 Integrated Project (IP). Main responsibility was to conduct a state-of-the-art review on the drivers and factors influencing the European Aerospace industry. The work includes gathering information from trade press, academic papers, industrial reports, etc as well as conducting field research in the partners’ companies.

RESEARCH ACTIVITIES

  1. Lead (Overseas) applicant, Gender-specific risks and responses to labour exploitation in textile supply chains: The challenge of transferability, Global Challenges Research Fund Networking Grant Scheme, Academy of Medical Sciences, September 2019 – August 2020. (Fund: £24,225)
  2. Lead researcher, Framework for Business Process Management Implementation in Indonesia, Competency Research Funding, Ministry of Research Technology and Higher Education, February 2016 – 2018. (Fund: 275,100,000)
  3. Lead researcher, Framework for Process Mining Implementation to Analyze and Evaluate ERP-Based Business Process, Laboratory Research Funding, ITS, April 2014 – November 2015. (Fund: Rp 115,000,000)
  4. Researcher, Supply Chain Assessment for Indonesia Logistic Service Provider, Automotive and Garment Sectors in Preparation for ASEAN Economic Community (AEC) Participation, International Joint Research, ITS, May – November 2013.
  5. Project Leader, Design and Development of Organic Health Services Information Systems (OHIS), Third Batch Joint Research PREDICT-ITS, Principal Investigator, August 2008 – July 2009. ¥300.000,-

BOOKS

Ir I Nyoman Pujawan, CPLM CSCP, Mahendrawathi ER (2024). Supply Chain Management Edisi 4: Lebih Lengkap Membahas Strategi, Perancangan, Operasional, dan Perbaikan Supply Chain untuk Mencapai Daya Saing

ER, Mahendrawathi (2023). Sistem Enterprise: Konsep dan Implementasi, Penerbit Andi.

Dumas, M., La Rosa, M., Mendling, J., & Reijers, H. A. (2021). Fundamental Manajemen Proses Bisnis (1 ed.). (Mahendrawathi ER, & H. Ritchi, Translator) Yogyakarta: Lautan Pustaka.

ER, Mahendrawathi (2018), Business Process Management: Konsep dan Implementasi, Penerbit Andi.

Pujawan, N. & ER, Mahendrawathi (2018), Supply Chain Management Edisi 3, Penerbit Andi.

JOURNAL PUBLICATION

  1. ER, M., Mulyono, N.R.P, Rentio, I.A., Nurkasanah, I., How do digital Startups Manage Their Activities? Insights and Opportunities for Business Process Management, accepted for publication in Information Systems and e-Business Management (forthcoming).
  2. ER, M., Muhammad, G., Ramadhany, E. D., Nurkasanah, I., Digital transformation of warungs in Indonesia: The interrelation of socio-technical and indigenous factors, Electronic Journal of Information Systems in Developing Countries, early cite. https://doi.org/10.1002/isd2.12328
  3. Prasasti, I. P. M., ER, M., Sonhaji, A. I., & Nurkasanah, I. (2023). Improving complaint handling service with a qualitative approach: A public sector case. Journal of Information Technology Teaching Cases, 0(0). https://doi.org/10.1177/20438869231219511
  4. Chung-Chi Hsieh, Mahendrawathi ER, Prasasti Karunia Farista Ananto, Store-brand product variety and price decisions under showrooming, Computers & Industrial Engineering, 2023, Volume 178, 1 – 13.
  5. SA Priyambada, T Usagawa, ER Mahendrawathi, Two-layer ensemble prediction of students’ performance using learning behavior and domain knowledge, Computers and Education: Artificial Intelligence 5, 2023, 100149.
  6. ER Mahendrawathi, I Nurkasanah, AR Pratama, A configuration taxonomy based on business process orientation: evidence from organizations in Indonesia, Benchmarking: An International Journal, forthcoming.
  7. ER Mahendrawathi, Funke C, Rosemann M, Goetz F, Wruck TM. Trust-aware process design: the case of GoFood, Business Process Management Journal, 2022, Vol. 28, No. 2, pp. 348-371.
  8. Priyambada, S. A., ER, Mahendrawathi, Yahya, B. N. and Usagawa, T., Profile-Based Cluster Evolution Analysis: Identification of Migration Patterns for Understanding Student Learning Behavior, IEEE Access, vol. 9, pp. 101718-101728, 2021, doi: 10.1109/ACCESS.2021.3095958.
  9. ER, Mahendrawathi & Nurmadewi, Dita, (2021) Analysis of business process management capability and information technology in small and medium enterprises in the garment industry (multiple case studies in East Java, Indonesia), Electronic Journal of Information Systems in Developing Countries, Vol. 87 (1).
  10. ER, Mahendrawathi & Wardati, Nanda Kurnia, (2020) The Impact of Social Media Functionality and Strategy Alignment to Small and Medium Enterprises (SMEs) Performance: a Case Study in Garment SME in East Java, Asia Pacific Journal of Information Systems, Vol. 30 (3), pp. 568-589. https://doi.org/10.14329/apjis.2020.30.3.568
  11. Pambudi, P.D.L., ER, Mahendrawathi, Identifying Relation, Problem, and IT Approach of Design and Planning in Engineer-To-Order (ETO), International Journal of Intelligent Enterprise, Forthcoming.
  12. Huddiniah, E.R., ER, Mahendrawathi (2019), Product Variety, Supply Chain Complexity and the Needs for Information Technology: A Framework Based on Literature Review, Operations and Supply Chain Management: an International Journal, Vol. 12, No. 4, pp. 245 – 255.
  13. ER, M., Hanggara, B.T., Astuti, HM. (2019), Model for BPM implementation assessment: evidence from companies in Indonesia, Business Process Management Journal, Vol. 25 No. 5, pp. 825-859.
  14. ER, Mahendrawathi, Arsad, N., Astuti, H.M., Kusumawardani, R. P., Utami, R. A. (2018) “Analysis of production planning in a global manufacturing company with process mining”, Journal of Enterprise Information Management, Vol. 31 Issue: 2, pp.317-337.
  15. Pujawan, I N., ER, Mahendrawathi, Kritchanchai, D., and Somboonwiwat, T. (2013). Uncertainty and Schedule Instability in Supply Chain: Insights from Case Studies, International Journal of Services and Operations Management, 19 (4), 468-490.
  16. Pujawan, N. & Er, Mahendrawathi (2009), “Managing Supply Chain Complexity in a Tea Manufacturing Company”, Operations and Supply Chain Management, Vol. 2, No. 3, pp. 167-171
  17. Er, Mahendrawathi & Pujawan, N. (2007), “Integrated Inventory-Production Decisions under Uncertain Demand: a Simulation Study”, International Journal of Logistics and Transport, Vol. 1, No. 1, pp. 41 – 51.
  18. Er, Mahendrawathi & MacCarthy (2006), B. L,”Managing Product Variety in Multinational Corporation Supply Chains: A Simulation Study”, Journal of Manufacturing Technology Management, Vol. 17, Issue 8, pp. 1117 – 1138.
  19. MacCarthy, B.L., Er, Mahendrawathi, and Atthirawong, W. (2003), Border Control , Manufacturing Engineer, February, pp. 9 – 13.

CONFERENCE PROCEEDINGS

  1. ER, Mahendrawathi, and Avisha Nathania. “Bridging the BPM Education Gap: Reflections on Affordances of BPM Techniques and a Call for Collaboration.” International Conference on Business Process Management. Cham: Springer Nature Switzerland, 2025.
  2. Rozas, Indri Sudanawati; Er, Mahendrawathi; and Wibisono, Arif, “Understanding Emerging Roles in Balancing Agility and Corporate Sustainability in a Digital Startup” (2025). PACIS 2025 Proceedings. 8. https://aisel.aisnet.org/pacis2025/it_strategy/it_strategy/8
  3. ER, Mahendrawathi, van der Waal, W., Beerepoot, I., Putra, M.A.R.R., Propitadewa, H. (2025). Understanding Student Behavior Using Active Window Tracking and Process Mining. In: Delgado, A., Slaats, T. (eds) Process Mining Workshops. ICPM 2024. Lecture Notes in Business Information Processing, vol 533. Springer, Cham. https://doi.org/10.1007/978-3-031-82225-4_9
  4. ER, M., Deviana, A., Nurkasanah, I. (2024). Can Business Process Design Space Help Students Generate Innovative Process Redesign Ideas?. In: Di Ciccio, C., et al.Business Process Management: Blockchain, Robotic Process Automation, Central and Eastern European, Educators and Industry Forum. BPM 2024. Lecture Notes in Business Information Processing, vol 527. Springer, Cham. https://doi.org/10.1007/978-3-031-70445-1_28.
  5. ER, Mahendrawathi. (2025). How Can We Develop Inclusive Business Process Management? In: Gdowska, K., Gómez-López, M.T., Rehse, JR. (eds) Business Process Management Workshops. BPM 2024. Lecture Notes in Business Information Processing, vol 534. Springer, Cham. https://doi.org/10.1007/978-3-031-78666-2_28
  6. F. D. Syahputra and E. Mahendrawathi, “Classification of Users in Open-Source ERP Implementation with Diffusion of Innovation Theory to Determine Change Strategy,” 2024 2nd International Conference on Software Engineering and Information Technology (ICoSEIT), Bandung, Indonesia, 2024, pp. 324-329.
  7. Inge Handriani, ER Mahendrawathi, Investigating Cost and Business Process Management: A Systematic Literature Review (SLR), Procedia Computer Science, Vol. 234, pp. 805-812.
  8. Ika Nurkasanah, Ni Luh Putu Chandra Savitri, ER Mahendrawathi, Evaluation of User Satisfaction Towards WfMS Implementation in Indonesian Food Company Using Structural Equation Modeling, Procedia Computer Science, Vol. 234, pp. 885-893
  9. Hasdi Putra, ER Mahendrawathi, The Role of Business Process Management in Digital Innovation and Digital Transformation: A Systematic Literature Review, 2024, Procedia Computer Science, Vol. 234, pp. 829-836
  10. Serra Charisma Viontita, Mahendrawathi ER, Evaluation of Surabaya population administration & civil registration systems using DeLone & McLean information system success model, 2024, Procedia Computer Science, Vol. 234, pp. 1154-1163
  11. M. Ambarawati, M. ER, R. P. Wibowo and A. I. Sonhaii, “Business Process Architecture, Data and Information Architecture: a Public Sector Case,” 2022 International Conference on Advanced Computer Science and Information Systems (ICACSIS), 2022, pp. 241-246.
  12. C. Viontita, M. ER, I. Nurkasanah and A. I. Sonhaji, “Determining Business Process Improvement Priorities at Surabaya City Office for Population Administration & Civil Registration,” 2022 International Conference on Advanced Computer Science and Information Systems (ICACSIS), 2022, pp. 211-218.
  13. Stein Dani V., ER M., Koorn J.J., van der Werf J.M.E.M., Leopold H., Reijers H.A. (2022) Pair Modeling: Does One Plus One Add Up?. In: Marrella A., Weber B. (eds) Business Process Management Workshops. BPM 2021. Lecture Notes in Business Information Processing, vol 436. Springer, Cham.
  14. Prasasti Karunia Farista Ananto, Chung-Chi Hsieh, Mahendrawathi ER, Competition between online and offline retailer mass customization, 2022, Procedia Computer Science, Vol. 197, pp. 709-717.
  15. Achmad Wildan Nabila, Mahendrawathi ER, James C.Chen, Tzu Li Chen, The impact analysis of information technology alignment for information sharing and supply chain integration on customer responsiveness, Procedia Computer Science, 2022, Vol. 197, pp. 718-726.
  16. Davison, Robert M.; Wong, Louie HM; Ou, Carol; Er, Mahendrawathi; Chen, Xiayu; Kayser, Ina; and Prasarnphanich, Pattarawan, Beneficial Non-Compliance with Inadequate Information Systems, Proceedings of International Conference on Information Systems (ICIS), 2020.
  17. Dewi, F., and ER, Mahendrawathi, Business Process Maturity Level of MSMEs in East Java Indonesia, Procedia Computer Science, Vol. 161, 2019, pp. 1098-1105.
  18. Nurmadewi, D., and ER, Mahendrawathi, Analyzing Linkage Between Business Process Management (BPM) Capability and Information Technology: A Case Study in Garment SMEs, Procedia Computer Science, Vol. 161, 2019, pp. 935-942.
  19. ER, Mahendrawathi, Zayin, S. O., Pamungkas, F.J., ERP Post Implementation Review with Process Mining: A Case of Procurement Process, Procedia Computer Science, 124, pp. 216-223, 2017.
  20. ER, Mahendrawathi, Chumairoh, D., Business Process Analysis and Potential Information Technology Implementation: a Case Study in Engineer-To-Order Company, Proceedings of The 8th Operations and Supply Chain Management Conference, Cranfield, United Kingdom, September 2018.
  21. Priyambada, S. A., ER, Mahendrawathi, Yahya, B. N., Curriculum Assessment of Higher Educational Institution Using Aggregate Profile Clustering, Procedia Computer Science, Vol. 124, pp. 264-273, 2017.
  22. ER, Mahendrawathi, Astuti, H.M., Nastiti, Ayu, Analysis of Customer Fulfilment Business Process in Telco Industry with Process Mining, Procedia Computer Science, Vol. 72, pp. 588 – 596, 2015.
  23. ER, Mahendrawathi, Astuti, H.M., Wardhani, I. R. K., Material Movement Analysis for Warehouse Business Process Improvement with Process Mining: A Case Study, Lecture Notes in Business Information Processing, Proceedings of Third Asia Pacific Conference AP-BPM 2015, pp. 115 – 127, Busan, South Korea, June 24 -26, 2015.
  24. ER, Mahendrawathi, Herdiyanti, A. and Astuti, H.M., Readiness of Indonesian Companies for ASEAN Economic Community (AEC): Preliminary Findings from Automotive and Garment Industry, Proceedings of the 2014 International Conference on Industrial Engineering and Operations Management, Bali, Indonesia, January 7 – 9, 2014.
  25. ER, Mahendrawathi, Eliza Nurul Laili, Renny Pradina K, Classification of Hospital Pharmaceutical Drug Inventory Items by Combining ABC Analysis and Fuzzy Classification, International Conference on Advance Computer Science and Information Systems (ICACSIS), Jakarta, Indonesia, December 2011.
  26. ER, Mahendrawathi, Pranantha, D. dan Utomo, J.D., Development of Dashboard for Hospital Logistics Management, IEEE Conference on Open Systems (ICOS2010), Kuala Lumpur, Malaysia, 5 – 7 December 2010
  27. ER, Mahendrawathi, Soelaiman, Rully and Safani, Rizal, Integer Programming Models for Decision Making of Order Entry Stage in Make to Order Companies, accepted for presentation in The 9th Asia Pacific Industrial Engineering & Management Systems Conference, December 2008.
  28. Farr, R, Bramham, J, ER, Mahendrawathi and MacCarthy, B, Scenario Planning in the Aerospace Business Environment – the VIBES approach, Proceedings of ICE 2005, the 11th International Conference on Concurrent Enterprising, [2005], Munich, Germany, 20 – 22 Juni 2005, pp. 363-370.
  29. ER, Mahendrawathi and MacCarthy, B.L., Investigating the Impact of Product Variety in International Supply Chains: A Simulation Study, Proceedings of the 8th Cambridge International Manufacturing Symposium, Cambridge, Inggris, 25 – 26 September 2003, pp. 67 – 84.
  30. ER, Mahendrawathi and MacCarthy, B.L., Configuration of International Supply Networks and their Operational Implications: Evidences from Manufacturing Companies in Indonesia, Proceedings of the 7th Cambridge International Manufacturing Symposium, Cambridge, Inggris, 12 – 13 September 2002, pp. 60 – 71.
  31. ER, Mahendrawathi and MacCarthy, B.L., Configuration and Co-ordination in International Supply Chains: Preliminary Findings from International Manufacturing Companies in Indonesia, Proceedings of the 6th Cambridge International Manufacturing Symposium, Cambridge, Inggris, 10 – 11 September 2001, pp. 103 – 112.
  32. ER, Mahendrawathi and MacCarthy, B.L., Configuration and Co-ordination of International Operations: What Do We Know?, Presented at the 6th Asia Pacific Decision Science Institute Conference, National University of Singapore, 18 – 21 Juli 2001, Singapore.

ACADEMIC AND ADMINISTRATIVE ASSIGNMENTS

  • Chair, Faculty Advisory Committee (Ketua Komite Pertimbangan Fakultas) of the Faculty of Electrical and Intelligent Informatics (FTEIC), Institut Teknologi Sepuluh Nopember (ITS): 01 Jan 2025 – Present
  • Head of Enterprise Systems Laboratory, Enterprise Systems Laboratory : 01 Sep 2022 – 28 Feb 2030
  • Head of Information Systems Department, Institut Teknologi Sepuluh Nopember (ITS): 21 Nov 2018 – 31 Dec 2019
  • Member of the Academic Senate, Institut Teknologi Sepuluh Nopember (ITS) : 2016 – 2018
  • Vice Dean I, Faculty of Information Technology, Institut Teknologi Sepuluh Nopember (ITS): 08 Jan 2014 – 30 Dec 2015
  • Vice Dean I, Faculty of Information Technology, Institut Teknologi Sepuluh Nopember (ITS): 19 Dec 2011 –  07 Jan 2014

KEYNOTE SPEAKERS

  • Keynote Speaker, International Conference on Information Systems and Technology for Digital Innovation (ISITDI), Bukittinggi (2024)
  • Keynote Speaker, Information Systems International Conference (ISICO) (2023)
  • Keynote Speaker, International Conference on Information and Computer Science (ICICOS), Universitas Diponegoro (UNDIP), Semarang (scheduled for 2026)

EXTERNAL ACADEMIC ACTIVITIES

  • Senior Editor, Electronic Journal of Information Systems in Developing Countries (EJISDC), AIS-affiliated journal (since April 2021)
  • Co-Founder, AISINDO (Association of Information Systems Indonesia) — National Chapter of the Association for Information Systems (AIS)
  • Organizing Committee Member, Information Systems International Conference (ISICO)
    Contributed to one of the first AIS-affiliated international IS conferences in the region (proceedings published in Procedia Computer Science)
  • Publicity Chair, Business Process Management (BPM) Conference (2023)
  • Program Committee Member, Business Process Management (BPM) Conference (since 2023)

AWARD AND RECOGNITION

  • Best Industry Forum Paper Award, BPM Conference, Seville (2025)
  • Best Reviewer – Track 08: Business Process Management and Digital Innovation, European Conference on Information Systems (ECIS) (2024)
  • Outstanding Employee (National Level) (2021)
    For serving as academic supervisor of a student team that won Third Place at the National Student Exhibition in Information and Communication Technology (GEMASTIK) 2021, ICT Business Development Division.
  • Outstanding Employee (National Level) (2021)
    For serving as academic supervisor of a student team at the National Student Scientific Week (Pekan Ilmiah Mahasiswa Nasional / PIMNAS), awarded a Silver Medal.

PROFESSIONAL ENGAGEMENT

Steering Community Member, Asia-Pacific Process Intelligence Network (APPI.Network) https://appinetwork.org/

Founder, Indonesia Business Process Management Association (IBPMA)
Contributed to establishing and promoting BPM as a professional and academic discipline in Indonesia.

 Advisor on Business Process Management, Naima Sustainability (since Nov 2024)
Provided strategic advice on BPM practices to support sustainability-oriented initiatives.

Contributed to professional discussions and community development within the network.

 Speaker and Resource Person
Regularly invited to share expertise on BPM, ERP implementation, digital transformation, and organizational governance in academic and practitioner forums.

COMMUNITY SERVICES

  1. Product-Based Community Service, ITS
    Implementation of Inventory Management Using ABC Classification Based on AppSheet at Khayun Store, Surabaya
    (04 December 2025)
  2. Thematic Community Service (Department-Funded), ITS
    Implementation of Inventory Management Using ABC Classification Based on AppSheet at Rizky Store, Surabaya
    (2025)
  3. Thematic Community Service (Department-Funded), ITS
    Enhancing Digital Business Services to Support the Self-Reliance of Tourism Village Areas toward Go-Digital
    (23 November 2023)
  4. Thematic Community Service (Department-Funded), ITS
    Integrated Digital Business Development for MSMEs with Eco-Friendly Products as an Acceleration of the Green Economy
    Location: Shantika Fashion, Sukomanunggal District, Surabaya, East Java
    (23 November 2023)
  5. Thematic Community Service (Department-Funded), ITS
    Knowledge-Based Website Platform to Increase MSME Visibility in the Fisheries Sector
    (14 November 2022)
  6. Expert Consultant
    Development of Business Process Architecture for the Government of East Java Province
    (21 December 2021)
  7. Thematic Community Service (Department-Funded), ITS
    Development of Digital Business Services for Recreational Diving MSMEs Using the ROPO Approach
    (14 December 2021)
  8. Thematic Community Service (Department-Funded), ITS
    Discovery Shopping E-Commerce Platform to Enhance Customer Experience for MSMEs in Herbal Plants, Vegetables, and Gardening Equipment
  9. Digitizing MSME Businesses to Increase Sales and Profitability
    (2018)
  10. Development and Training of Web Resource Citation Tools for Teachers to Support the Development of Electronic Teaching Materials
    (2017)
  11. Geographical Field Social Worker Activity Monitoring System to Support the Implementation of City Government Programs at the Neighborhood (Rukun Warga) Level
    (2016)
  12. Training on Creating Learning Media Using Mind Maps, Email, and Blogs at SD Al Azhar 11 Surabaya
    (December 2011)
  13. Technology Application and Laboratory Management Training
    State University of Malang
    (October 2011)
  14. Introduction to E-Commerce Training for Dharma Wanita Senior High School, Surabaya
    (2011)

TRAINING

  1. Train-the-Trainer Workshop on ERP Simulation Game held by SAP University Alliances Asia Pacific Japan, 6 – 10 June 2011, Singapore
  2. Applied Approach (AA) Batch III, organized by the Center for Development of Education and Instructional Activities, ITS, 23 – 26 November 2010
  3. Completed the short course “Further Presentation Skills” organized by the Graduate School, University of Nottingham, Autumn Semester, 2002/2003.
  4. Completed the short course “Research Management in Science & Engineering” organized by the Graduate School, University of Nottingham, Autumn Semester, 2000/2001.

OTHER EXPERIENCE

  1. Participant of the International Visitor Leadership Program (IVLP) on Science, Technology, Engineering and Math Education, held by the United States Department of State Bureau of Educational and Cultural Affairs, 2 – 20 April 2012.
  1. Giving a guest lecture on International Supply Chain Management for undergraduate students in the field of Production and Operations Management, University of Nottingham, March 18, 2003.
  1. Delivered a Supply Chain Configuration presentation at “Executive Education on Introduction to Supply Chain Management”, Surabaya, Indonesia, June 2002.
IndexSCOPUSGOOGLE SCHOLARSINTAITS
Publikasi15026300000
4y4OljkAAAAJ
5975747
mahendrawathi-er
Nama Lengkap Prof. Mahendrawathi  ER., ST, M.Sc.,  Ph.D
NIP 197610112006042001
NIDN 0011107607
Email Address mahendra_w@is.its.ac.id
Jabatan Fungsional Professor
Lab Afiliasi Sistem Enterprise (SE)
Riwayat Pendidikan • S1, Teknik Industri-ITS, 1999

• S2, Operations Management and Manufacturing Systems-University of Nottingham, UK, 2000

• S3, Manufacturing Engineering and Operations Management-University of Nottingham, UK, 2004

Topik Penelitian 1. Business Process Management
2. Enterprise Systems
3. Supply Chain Management
4. Digital Business
Link Schoolar https://scholar.its.ac.id/en/persons/mahendrawathi-er