| 1 | ||
| Researcher: | Nair, S Radhakrishnan | |
| Guide: | Namboothiri, E V N | |
| University: | University of Kerala | |
| Language: | English | |
| 2 | ||
| Researcher: | Radhakrishnan, P S | |
| Guide: | Kurien, K C | |
| University: | Mahatma Gandhi University | |
| Language: | Malayalam | |
| Shodhganga | ||
| 3 | ||
| Researcher: | Radhakrishnan, V S | |
| Guide: | Kurien, K C | |
| University: | Mahatma Gandhi University | |
| Language: | Arabic | |
| Shodhganga | ||
| 4 | ||
| Researcher: | Radhakrishnan, P S | |
| Guide: | Kurien, K C | |
| University: | Mahatma Gandhi University, Kottayam | |
| Language: | Malayalam | |
| Shodhganga | ||
| 5 | ||
| Researcher: | Nair, R Radhakrishnan | |
| Guide: | Pillai, P V Velayudhan | |
| University: | University of Kerala | |
| Language: | English | |