| 1 | ||
| Researcher: | Ramthing, N | |
| Guide: | Pal, Jagat | |
| University: | North-Eastern Hill University, Shillong | |
| Language: | English | |
| Shodhganga | ||
| 2 | ||
| Researcher: | Sumer, Baldwin Banrapbor | |
| Guide: | Syiem, I. | |
| University: | North-Eastern Hill University, Shillong | |
| Language: | English | |