| 1 | ||
| Researcher: | Medem, Siva Sankar | |
| Guide: | Prasad, I. Devi Vara | |
| University: | Acharya Nagarjuna University, Guntur | |
| Language: | English | |
| 2 | ||
| Researcher: | Sankar, Suvarna P.S | |
| Guide: | Singh, Ram Mohan R. | |
| University: | Pondicherry University, Puducherry | |
| Language: | English | |
| Shodhganga | ||