| 1 | ||
| Researcher: | Nandakumar, V | |
| Guide: | Santhosh, M | |
| University: | University of Kerala | |
| Language: | English | |
| 2 | ||
| Researcher: | Nandakumar, V | |
| Guide: | Naganathan, ER | |
| University: | Alagappa University | |
| Language: | English | |
| Shodhganga | ||
| 3 | ||
| Researcher: | NANDAKUMAR, V | |
| Guide: | SULOCHANA, N | |
| University: | Bharathidasan University | |
| Language: | English | |
| Shodhganga | ||
| 4 | ||
| Researcher: | Nandakumar V | |
| Guide: | Santosh M | |
| University: | University of Kerala | |
| Language: | English | |
| Shodhganga | ||