| 1 | ||
| Researcher: | Keyho, Muluvesalu | |
| Guide: | Rout, Chintamani | |
| University: | North-Eastern Hill University, Shillong | |
| Language: | English | |
| Shodhganga | ||
| 2 | ||
| Researcher: | Chowdhury, Debu | |
| Guide: | Singh, A. K. | |
| University: | North-Eastern Hill University, Shillong | |
| Language: | English | |