| 1 | |
| Researcher: | Srigiri, Chandrakala |
| Guide: | Mallikharjuna, K |
| University: | Acharya Nagarjuna University, Guntur |
| Language: | English |
| 2 | |
| Researcher: | Vipparthi, Swarupa Rani |
| Guide: | Krishna, P V |
| University: | Acharya Nagarjuna University, Guntur |
| Language: | English |