| 1 | ||
| Researcher: | GONE SWAPNA | |
| Guide: | BHATTIPROLU KESAVA RAO | |
| University: | Acharya Nagarjuna University, Guntur | |
| Language: | English | |
| Shodhganga | ||
| 2 | ||
| Researcher: | Tadiboyina, Ravisankar | |
| Guide: | Rao, Prasada P T S R K | |
| University: | Acharya Nagarjuna University, Guntur | |
| Language: | English | |
| Shodhganga | ||