| 1 | |
| Researcher: | Radhakrishnan, T R |
| Guide: | Balasubrmaniyam, M |
| University: | Annamalai University |
| 2 | |
| Researcher: | Radhakrishnan, V N |
| University: | Indian Institute of Science |
| Language: | English |
| 3 | |
| Researcher: | Radhakrishnan, Parakulam Venkateswaran |
| University: | University of Mumbai |
| Language: | English |