| 1 | ||
| Researcher: | Sabu, S. | |
| Guide: | Jangaiah, C. | |
| University: | University of Mysore | |
| Language: | English | |
| Shodhganga | ||
| 2 | ||
| Researcher: | Sabu, V G | |
| Guide: | Sreeranganadhan, K | |
| University: | Mahatma Gandhi University | |
| Language: | English | |
| Shodhganga | ||
| 3 | ||
| Researcher: | Sabu, V G | |
| Guide: | Sreeranganadhan, K | |
| University: | Mahatma Gandhi University, Kottayam | |
| Language: | English | |