| 1 | ||
| Researcher: | Kuruva, Syamal. Devi | |
| Guide: | Swamy, A.V.V.S. | |
| University: | Acharya Nagarjuna University, Guntur | |
| Language: | English | |
| 2 | ||
| Researcher: | Chelle, Raju | |
| Guide: | Boppana, Nagarjuna | |
| University: | University of Hyderabad, Hyderabad | |
| Language: | English | |
| Shodhganga | ||