| 1 | ||
| Researcher: | Kumar, Dhirendra | |
| Guide: | Yadav, P N | |
| University: | Bhupendra Narayan Mandal University, Madhepura (B N Mandal University) | |
| Language: | Hindi | |
| 2 | ||
| Researcher: | Reddy Nagasiva Durga Prasad | |
| Guide: | Krishna Mohan, V | |
| University: | Andhra University | |
| Language: | English | |
| Shodhganga | ||