| 1 | ||
| Researcher: | Kunhammad, K K | |
| Guide: | Ramanan, Mohan | |
| University: | University of Hyderabad, Hyderabad | |
| Language: | English | |
| Shodhganga | ||
| 2 | ||
| Researcher: | Madhusoodanan Pillai, K P | |
| Guide: | Nair, N Gopalakrishnan | |
| University: | Mahatma Gandhi University, Kottayam | |
| Language: | English | |