| 1 | |
| Researcher: | Yenumula, Balaramireddy | 
| Guide: | Reddy, S.Mutta | 
| University: | Acharya Nagarjuna University, Guntur | 
| Language: | English | 
| 2 | |
| Researcher: | Sivarama, Krishna. Veeranki | 
| Guide: | C, Rambabu | 
| University: | Acharya Nagarjuna University, Guntur | 
| Language: | English |