There are some legal documents regarding the establishments of Study Programs at Department of Physics. Some of them are :
Regulation of Ministry of Research, Technology, and Higher Education, Republic of Indonesia about Establishment of Study Program in Higher Education Institution
Regulation of ITS Rector about Establishment of Study Program in ITS
For The Establishments of Undergraduate Program, Master Program and Doctoral Program at Department of Physics ITS, you can access the page of those study programs at this website.