| 1 | ||
| Researcher: | Geetha, V | |
| Guide: | Vaidyan, V K | |
| University: | University of Kerala | |
| Language: | English | |
| 2 | ||
| Researcher: | Ghosh, Asok Kumar | |
| University: | University of Calcutta | |
| Language: | English | |
| Shodhganga | ||
| 3 | ||
| Researcher: | Veena Kumari, S | |
| Guide: | Vaidyan, V KSatyanarayana, K G | |
| University: | University of Kerala | |
| Language: | English | |