| 1 | |
| Researcher: | Vijayakumari, K |
| Guide: | Sasirababu, K |
| University: | Sri Venkateswara University |
| Language: | English |
| 2 | |
| Researcher: | Vijayakumari, P |
| Guide: | Reddy, D C |
| University: | Sri Venkateswara University |
| Language: | English |
| 3 | |
| Researcher: | Charles, G H vijayakumari |
| Guide: | Chandran, M R |
| University: | University of Madras |
| Language: | English |