| 1 | |
| Researcher: | Badiujjaman |
| University: | Tilka Manjhi Bhagalpur University |
| Language: | English |
| 2 | |
| Researcher: | Sinha, Tarini Prasad |
| University: | Tilka Manjhi Bhagalpur University |
| Language: | English |
| 3 | |
| Researcher: | Sinha, Tej Narayan |
| University: | Tilka Manjhi Bhagalpur University |
| Language: | English |