| 1 | ||
| Researcher: | Vijayalakshmi, A | |
| Guide: | Nachimuthu, K | |
| University: | University of Kerala | |
| Language: | English | |
| Shodhganga | ||
| 2 | ||
| Researcher: | Vijayalakshmi, P | |
| University: | Andhra University | |
| Language: | English | |
| 3 | ||
| Researcher: | Vijayalakshmi Devi, D | |
| Guide: | Subba Reddy, M | |
| University: | Sri Venkateswara University | |
| Language: | English | |