| 1 | ||
| Researcher: | Unnikrishnan, V M | |
| Guide: | Namboodiri, M V Vishnu | |
| University: | University of Calicut | |
| Language: | English | |
| 2 | ||
| Researcher: | Unnikrishnan A M | |
| Guide: | Velayudhan Pillai P V | |
| University: | University of Kerala | |
| Shodhganga | ||
| 3 | ||
| Researcher: | Unnikrishnan S.M | |
| Guide: | Raveendran P.T | |
| University: | Kannur University | |
| Language: | English | |
| Shodhganga | ||