| 1 | ||
| Researcher: | Venugopal A | |
| Guide: | Siva Kumar N | |
| University: | University of Hyderabad, Hyderabad | |
| Language: | English | |
| Shodhganga | ||
| 2 | ||
| Researcher: | Venugopal, V R | |
| Guide: | Nair, T R Muraleedharan | |
| University: | Mahatma Gandhi University | |
| Language: | Malayalam | |
| Shodhganga | ||