| 1 | ||
| Researcher: | N. Babu | |
| Guide: | Dr. D. Amirtham | |
| University: | Bharathiar University | |
| Language: | English | |
| Shodhganga | ||
| 2 | ||
| Researcher: | Bose, N Babu Chandra | |
| Guide: | Sivadasan, K R | |
| University: | Madurai Kamaraj University | |
| Language: | English | |
| 3 | ||
| Researcher: | Raj, N Babu Kishan | |
| University: | Osmania University | |
| Language: | English | |