| 1 | ||
| Researcher: | Sumathi, S | |
| Guide: | Jaganathan, D | |
| University: | Periyar University | |
| Language: | Tamil | |
| Shodhganga | ||
| 2 | ||
| Researcher: | Sumathi T. | |
| Guide: | Dharmarasu P. | |
| University: | Bharathidasan University | |
| Language: | Tamil | |
| Shodhganga | ||
| 3 | ||
| Researcher: | Sumathi, A | |
| Guide: | Sudhandiram, K P | |
| University: | Periyar University | |
| Language: | Tamil | |
| Shodhganga | ||
| 4 | ||
| Researcher: | Sumathi, R | |
| Guide: | Napisaal Pevi, B K and Pandi | |
| University: | Alagappa University | |
| Language: | Tamil | |
| Shodhganga | ||
| 5 | ||
| Researcher: | SUMATHI, N.P. | |
| Guide: | ESHWARAN, S | |
| University: | Bharathidasan University | |
| Language: | Tamil | |
| Shodhganga | ||