| 1 | ||
| Researcher: | Balakrishna Lalkar, P B | |
| Guide: | Vilanilam, J V | |
| University: | University of Kerala | |
| Language: | English | |
| 2 | ||
| Researcher: | Lalkar, P B balakrishna | |
| Guide: | Leelavathy, M | |
| University: | University of Kerala | |
| Language: | English | |
| 3 | ||
| Researcher: | Balakrishna Lalkar P B | |
| Guide: | Leelavathy M | |
| University: | University of Kerala | |
| Shodhganga | ||