| 1 | ||
| Researcher: | Thomas, John | |
| Guide: | Ramakrishnan, A K | |
| University: | Mahatma Gandhi University | |
| Language: | English | |
| Shodhganga | ||
| 2 | ||
| Researcher: | Thomas, John | |
| Guide: | Ramakrishnan, A K | |
| University: | Mahatma Gandhi University, Kottayam | |
| Language: | English | |
| 3 | Fishes of the Perumthenaruvi Region of the Pamba river with special reference to benthic forms | |
| Researcher: | Thomas, John P. | |
| Guide: | John, K. C. | |
| University: | Mahatma Gandhi University | |
| Language: | English | |
| Shodhganga | ||