| 1 | ||
| Researcher: | Krishna Kumar, N | |
| Guide: | Chidambaram, R M and Akhtar | |
| University: | Aligarh Muslim University | |
| Language: | English | |
| Shodhganga | ||
| 2 | ||
| Researcher: | Krishna Kumar N | |
| Guide: | Nair, G Sadasivan | |
| University: | Cochin University of Science and Technology | |
| Language: | English | |
| Shodhganga | ||
| 3 | ||
| Researcher: | Krishna Kumar, N | |
| Guide: | Shenbagavalli, A | |
| University: | Alagappa University | |
| Language: | English | |
| Shodhganga | ||