| 1 | ||
| Researcher: | K. Radhakrishnan | |
| Guide: | Dr. N.R. Delvi | |
| University: | Bangalore University | |
| Language: | English | |
| Shodhganga | ||
| 2 | ||
| Researcher: | Unnithan, T K Radhakrishnan | |
| Guide: | Mullick, R N | |
| University: | University of Delhi | |
| Language: | English | |
| 3 | ||
| Researcher: | Nair, K Radhakrishnan | |
| Guide: | Manoharan, M | |
| University: | University of Calicut, Kozhikode | |
| Language: | English | |
| 4 | ||
| Researcher: | Keerthanam, M K Radhakrishnan | |
| Guide: | Joseph, P T | |
| University: | University of Calicut | |
| Language: | English | |
| Shodhganga | ||