| 61 | ||
| Researcher: | Vijayaprasathan Pillai K V | |
| Guide: | Bhaskaran Nayar K | |
| University: | University of Kerala | |
| Language: | English | |
| Shodhganga | ||
| 62 | ||
| Researcher: | Narayana Pillai K G | |
| Guide: | Sripathy Prasad R | |
| University: | University of Kerala | |
| Language: | English | |
| Shodhganga | ||
| 63 | ||
| Researcher: | Chandra Mohanan Pillai K C | |
| Guide: | Velayudhan Pillai P V | |
| University: | University of Kerala | |
| Shodhganga | ||