| 1 | |
| Researcher: | Radhakrishnan, T S |
| Guide: | Jayaprakash, N |
| University: | University of Madras |
| Language: | Tamil |
| 2 | |
| Researcher: | Radhakrishnan, S |
| Guide: | Agastialingam, S |
| University: | Annamalai University |
| Language: | English |
| 3 | |
| Researcher: | Radhakrishnan, S |
| Guide: | Agasthialingam, S |
| University: | Annamalai University |
| Language: | English |
| 4 | |
| Researcher: | Radhakrishnan, R |
| Guide: | Periakaruppan, R M |
| University: | Madurai Kamaraj University |
| Language: | English |