| 1 | ||
| Researcher: | Vishnu R | |
| Guide: | Murali Das S | |
| University: | University of Kerala | |
| Language: | English | |
| Shodhganga | ||
| 2 | ||
| Researcher: | Vankar, Vishnu R | |
| Guide: | Gajjar, Hina Y | |
| University: | Sardar Patel University | |
| Shodhganga | ||
| 3 | ||
| Researcher: | Vishnu R, Solanki | |
| Guide: | Ramcharan, Sharma | |
| University: | Gujarat University | |
| Language: | English | |
| Shodhganga | ||