| 1 | |
| Researcher: | Kumar, Pankaj |
| Guide: | Mallick, A K |
| University: | Bhupendra Narayan Mandal University |
| Language: | English |
| 2 | |
| Researcher: | Kumar, Pankaj |
| Guide: | Sagar, Vimal |
| University: | Bhupendra Narayan Mandal University, Madhepura (B N Mandal University) |
| Language: | English |