| 1 | |
| Researcher: | Nayak, Bishnu Kumar |
| Guide: | Paswan, Jawahar |
| University: | Bhupendra Narayan Mandal University, Madhepura (B N Mandal University) |
| Language: | Hindi |
| 2 | |
| Researcher: | Divan, Rita |
| Guide: | Singh, K B |
| University: | Guru Ghasidas University |
| Language: | English |