| 1 | ||
| Researcher: | Dhanalakshmi P | |
| Guide: | Rao, Chandrasekhara V | |
| University: | Acharya Nagarjuna University, Guntur | |
| Language: | English | |
| Shodhganga | ||
| 2 | ||
| Researcher: | Dhanalakshmi, Potteti | |
| Guide: | Rao, N.Venkateswara | |
| University: | Acharya Nagarjuna University, Guntur | |
| Language: | English | |