| 1 | ||
| Researcher: | P.Lalitha | |
| Guide: | S.Vijayakumar varma | |
| University: | Sri Venkateswara University | |
| Language: | English | |
| Shodhganga | ||
| 2 | ||
| Researcher: | P Lalitha | |
| Guide: | S Sivakamasundari | |
| University: | Avinashilingam Deemed University For Women | |
| Language: | English | |
| Shodhganga | ||
| 3 | ||
| Researcher: | Praveena, P. Lalitha | |
| Guide: | Devi, S. Anitha | |
| University: | Acharya Nagarjuna University, Guntur | |
| Language: | English | |