| 1 | ||
| Researcher: | LALITHA S M | |
| Guide: | SAMPATH S | |
| University: | University of Madras | |
| Language: | English | |
| Shodhganga | ||
| 2 | ||
| Researcher: | Lalitha, P M | |
| Guide: | Hanumanthan, K R | |
| University: | Madurai Kamaraj University | |
| Language: | English | |
| 3 | ||
| Researcher: | Lalitha Devi, M | |
| Guide: | Sudarsana, Raju K | |
| University: | Andhra University | |
| Language: | Telugu | |