| 1 | ||
| Researcher: | Kaligotla, Shankara. Narayana | |
| Guide: | Kumar , Y.F. Jaya | |
| University: | Acharya Nagarjuna University, Guntur | |
| Language: | English | |
| 2 | ||
| Researcher: | Adigopula, Lakshmi Narayana | |
| Guide: | Krishna, R. | |
| University: | Pondicherry University, Puducherry | |
| Language: | English | |
| Shodhganga | ||