| 1 | ||
| Researcher: | Chand, Sulakshna, Lal | |
| Guide: | n.a., n.a. | |
| University: | Maharshi Markandeshwar University | |
| Language: | English | |
| Shodhganga | ||
| 2 | ||
| Researcher: | Gollapudi, Karthik, Chakravarthy | |
| Guide: | Raju, B, Naga | |
| University: | Acharya Nagarjuna University, Guntur | |
| Language: | English | |