| 1 | |
| Researcher: | Sikhapalli, Sarala Devi |
| Guide: | Ch., Kalavathi |
| University: | Acharya Nagarjuna University, Guntur |
| Language: | Telugu |
| 2 | |
| Researcher: | Moparthy, Mary Oommon Sarala |
| Guide: | Priyadarsini, J.R. |
| University: | Acharya Nagarjuna University, Guntur |
| Language: | English |