| 1 | ||
| Researcher: | Chandrakumari Amma, C | |
| Guide: | Pillai, P Ramachandran | |
| University: | University of Kerala | |
| Language: | English | |
| 2 | ||
| Researcher: | Muraleedharan, K.K | |
| Guide: | Sebastian, Babu | |
| University: | Mahatma Gandhi University, Kottayam | |
| Language: | Malayalam | |
| Shodhganga | ||