| 1 | ||
| Researcher: | Krishnan, G | |
| Guide: | Prabhakarana, C P | |
| University: | University of Kerala | |
| Language: | English | |
| 2 | ||
| Researcher: | Seetha Ratna Kumari, T | |
| Guide: | Kurup, P A | |
| University: | University of Kerala | |
| Language: | English | |
| Shodhganga | ||
| 3 | ||
| Researcher: | Varghese, Annie | |
| Guide: | Joshua, C P | |
| University: | University of Kerala | |
| Language: | English | |