| 1 | |
| Researcher: | Gopalakrishnan, R |
| Guide: | Adinarayan, S P |
| University: | Annamalai University |
| Language: | English |
| 2 | |
| Researcher: | Gopalakrishnan, R |
| Guide: | Pandiyarajan, S |
| University: | Annamalai University |
| 3 | |
| Researcher: | Gopalakrishnan, R |
| Guide: | Ahamed, Hussain A |
| University: | Annamalai University |