| 21 | ||
| Researcher: | Narayanan, Lakshmi K. | |
| Guide: | Vijayakumar, K. P. | |
| University: | Ganpat University | |
| Language: | English | |
| Shodhganga | ||
| 22 | ||
| Researcher: | Narayanan Kutty, K A | |
| Guide: | Nagabhushana, G R | |
| University: | Indian Institute of Science | |
| Language: | English | |
| 23 | ||
| Researcher: | Narayanan Nair, K K | |
| Guide: | Nayar, M P | |
| University: | University of Calicut | |
| Language: | English | |
| 24 | ||
| Researcher: | Narayanan, M K Ratheesh | |
| Guide: | Sivadasan, M | |
| University: | University of Calicut | |
| Language: | English | |
| Shodhganga | ||