| 1 | ||
| Researcher: | Unnikrishnan, E | |
| Guide: | Rajagopalan, C R | |
| University: | University of Calicut | |
| Language: | Malayalam | |
| 2 | ||
| Researcher: | Unnikrishnan, Latha | |
| Guide: | Devadasan, K | |
| University: | Cochin University of Science and Technology | |
| Language: | English | |
| Shodhganga | ||
| 3 | ||
| Researcher: | Unnikrishnan, K P | |
| Guide: | Thomas, Eby | |
| University: | Cochin University of Science and Technology | |
| Language: | English | |
| Shodhganga | ||
| 4 | ||
| Researcher: | Unnikrishnan nair, Chandraser | |
| Guide: | Rajasenan, D | |
| University: | Cochin University of Science and Technology | |
| Language: | English | |