| 1 | ||
| Researcher: | Radhakrishnan, E | |
| Guide: | Balakrishnan, P | |
| University: | University of Calicut | |
| Language: | Hindi | |
| 2 | ||
| Researcher: | Radhakrishnan, R | |
| Guide: | Sivasubramanian, D | |
| University: | Bharathidasan University | |
| Language: | English | |
| Shodhganga | ||
| 3 | ||
| Researcher: | Radhakrishnan R | |
| Guide: | Ramesh Babu T | |
| University: | Cochin University of Science and Technology | |
| Language: | English | |
| Shodhganga | ||
| 4 | ||
| Researcher: | Radhakrishnan, K V | |
| Guide: | Madhusoodana Kurup, B | |
| University: | Cochin University of Science and Technology | |
| Language: | English | |
| 5 | ||
| Researcher: | Keerthanam, M K Radhakrishnan | |
| Guide: | Joseph, P T | |
| University: | University of Calicut | |
| Language: | English | |
| Shodhganga | ||