| 1 | ||
| Researcher: | V Ramanjaneyulu Matyam | |
| Guide: | Varma, P L N | |
| University: | Acharya Nagarjuna University, Guntur | |
| Language: | English | |
| 2 | ||
| Researcher: | Rao, Akurathi Nagamalleswara | |
| Guide: | Varma, P L N | |
| University: | Acharya Nagarjuna University, Guntur | |
| Language: | English | |
| Shodhganga | ||