| List of acronyms: | Explanations |
| BRAOU | Dr B. R. Ambedkar Open University |
| IGNOU | Indira Gandhi National Open University |
| NOU | National Open University in Taiwan |
| KNOU | Korea National Open University |
| RTVU | Radio and Television Universities |
| STOU | Sukhothai Thammathirat Open University |
| UT | Universitas Terbuka |
| UDE | University of Distance Education (Myanmar) |