| 1 | ||
| Researcher: | Iyyappan, S | |
| Guide: | Dr Baskaran, V H | |
| University: | University of Madras | |
| Language: | English | |
| Shodhganga | ||
| 2 | ||
| Researcher: | Iyyappan, M T | |
| Guide: | Jayaraman, N | |
| University: | Madurai Kamaraj University | |
| Language: | Tamil | |
| 3 | ||
| Researcher: | Iyyappan, K | |
| Guide: | Mathivanan, V | |
| University: | Annamalai University | |