| 1 | ||
| Researcher: | Umamaheswari, K | |
| Guide: | Kirubakaran, M | |
| University: | Bharathiar University | |
| Language: | English | |
| Shodhganga | ||
| 2 | ||
| Researcher: | Umamaheswari K | |
| Guide: | Thangam Menon | |
| University: | University of Madras | |
| Language: | English | |
| Shodhganga | ||
| 3 | ||
| Researcher: | Umamaheswari, K. | |
| Guide: | Devarajan, N. | |
| University: | Anna University | |
| Language: | English | |
| Shodhganga | ||