| 1 | ||
| Researcher: | K. Madhavi | |
| Guide: | M. Thrimurthy Rao | |
| University: | Acharya Nagarjuna University, Guntur | |
| Language: | English | |
| Shodhganga | ||
| 2 | ||
| Researcher: | Srinivasarao, Ravuri | |
| Guide: | V., Divyathejomurthy | |
| University: | Acharya Nagarjuna University, Guntur | |
| Language: | English | |