| 1 | ||
| Researcher: | Gopalakrishnan Nair, C K | |
| Guide: | Nair, C G R | |
| University: | University of Kerala | |
| Language: | English | |
| 2 | ||
| Researcher: | Gopalakrishnan Nair C K | |
| Guide: | Ramachandran Nair C G; Prabhakaran C P | |
| University: | University of Kerala | |
| Language: | English | |
| Shodhganga | ||