| 1 | ||
| Researcher: | Giri, Arun Kumar | |
| Guide: | Kamaiah, B | |
| University: | University of Hyderabad | |
| Language: | English | |
| Shodhganga | ||
| 2 | ||
| Researcher: | Sah, Arun Kumar | |
| Guide: | Jha, Ashwani Kant | |
| University: | Bhupendra Narayan Mandal University, Madhepura (B N Mandal University) | |
| Language: | English | |