| 1 | ||
| Researcher: | Prasad, Baliboyina | |
| Guide: | Rao, Brahmaji P. | |
| University: | Acharya Nagarjuna University, Guntur | |
| Language: | English | |
| Shodhganga | ||
| 2 | ||
| Researcher: | Phirangi, Sumalatha | |
| Guide: | Rao, Brahmaji P. | |
| University: | Acharya Nagarjuna University, Guntur | |
| Language: | English | |