| 1 | ||
| Researcher: | Konakala, Durga Prasad | |
| Guide: | Rao, M Chiranjeevi | |
| University: | Acharya Nagarjuna University, Guntur | |
| Language: | English | |
| 2 | ||
| Researcher: | Reddy Nagasiva Durga Prasad | |
| Guide: | Krishna Mohan, V | |
| University: | Andhra University | |
| Language: | English | |
| Shodhganga | ||