| 1 | ||
| Researcher: | Namboothiripad, Usha | |
| Guide: | Nair, P Somasekharan | |
| University: | University of Kerala | |
| Language: | English | |
| 2 | ||
| Researcher: | Namboothiri, K Kesavan | |
| Guide: | Amma, B Bhanumathi | |
| University: | Mahatma Gandhi University, Kottayam | |
| Language: | Malayalam | |
| Shodhganga | ||