| 1 | ||
| Researcher: | Rajan, A R | |
| Guide: | Subramania, K S | |
| University: | University of Kerala | |
| Language: | English | |
| 2 | ||
| Researcher: | Rajan A R | |
| Guide: | Subramonian Nambooripad K S | |
| University: | University of Kerala | |
| Language: | English | |
| Shodhganga | ||
| 3 | ||
| Researcher: | Revathy Rajan, A R | |
| Guide: | Ravindranath, Anita Das | |
| University: | Cochin University of Science & Technology, Cochin | |
| Language: | English | |
| Shodhganga | ||