| 1 | ||
| Researcher: | Krishnapriya, T | |
| Guide: | Biju, P R | |
| University: | Mahatma Gandhi University, Kottayam | |
| Language: | English | |
| Shodhganga | ||
| 2 | ||
| Researcher: | Shaji, Manu | |
| Guide: | Jayaraj, M K and Saji, K J | |
| University: | Cochin University of Science & Technology, Cochin | |
| Language: | English | |
| Shodhganga | ||