| 1 | ||
| Researcher: | B, Hanumanjaiah | |
| Guide: | P.C., Sai Babu | |
| University: | Acharya Nagarjuna University, Guntur | |
| Language: | English | |
| 2 | ||
| Researcher: | Sunitha, C | |
| Guide: | Padmathy, S | |
| University: | Bharathidasan University | |
| Language: | English | |
| Shodhganga | ||
| 3 | ||
| Researcher: | Puppala, Sudharani | |
| Guide: | K., Lalitha | |
| University: | Acharya Nagarjuna University, Guntur | |
| Language: | English | |