| 1 | ||
| Researcher: | Sharma, Suresh Kumar | |
| Guide: | Tiwana, S S | |
| University: | Punjabi University | |
| Language: | English | |
| Shodhganga | ||
| 2 | ||
| Researcher: | Khumancha, Oinam Ghanashyam | |
| Guide: | Vishwanathan, Arun | |
| University: | Central University of Gujarat, Gandhinagar | |
| Language: | English | |
| Shodhganga | ||