| 1 | ||
| Researcher: | Natarajan, S | |
| Guide: | Nachimuthu, K | |
| University: | University of Kerala | |
| Language: | English | |
| Shodhganga | ||
| 2 | ||
| Researcher: | Natarajan, T K | |
| University: | University of Madras | |
| Language: | Tamil | |
| 3 | ||
| Researcher: | Natarajan, K Anantha | |
| Guide: | Balasamy, N | |
| University: | Annamalai University | |
| Language: | English | |