| 1 | ||
| Researcher: | THUMMA EDUKONDALA RAO | |
| Guide: | K. DHANALAKSHMI | |
| University: | Acharya Nagarjuna University, Guntur | |
| Language: | English | |
| Shodhganga | ||
| 2 | ||
| Researcher: | RAVI BABU J | |
| Guide: | K. DHANALAKSHMI | |
| University: | Acharya Nagarjuna University, Guntur | |
| Language: | English | |
| Shodhganga | ||