| 1 | ||
| Researcher: | Radhakrishnan, P S | |
| Guide: | Kurien, K C | |
| University: | Mahatma Gandhi University | |
| Language: | Malayalam | |
| Shodhganga | ||
| 2 | ||
| Researcher: | Radhakrishnan, P S | |
| Guide: | Kurien, K C | |
| University: | Mahatma Gandhi University, Kottayam | |
| Language: | Malayalam | |
| Shodhganga | ||