| 1 | ||
| Researcher: | Thota, Chandra Sekhar Yadav | |
| Guide: | P.C. Sai Babu | |
| University: | Acharya Nagarjuna University, Guntur | |
| Language: | English | |
| 2 | ||
| Researcher: | Shaik Abdul Kalam | |
| Guide: | P.C. Sai Babu | |
| University: | Acharya Nagarjuna University, Guntur | |
| Language: | English | |
| Shodhganga | ||