| 1 | ||
| Researcher: | Gopalakrishnan Nair, T R | |
| Guide: | Kaimal, M Ramachandra | |
| University: | University of Kerala | |
| Language: | English | |
| Shodhganga | ||
| 2 | ||
| Researcher: | Krishnan Nair, P R | |
| Guide: | Nandakumaran, V M | |
| University: | Cochin University of Science and Technology | |
| Language: | English | |