| 1 | ||
| Researcher: | Tadiboyina, Ravi Sankar | |
| Guide: | Rao, Prasada, P.T.S.R.K | |
| University: | Acharya Nagarjuna University, Guntur | |
| Language: | English | |
| 2 | ||
| Researcher: | Saravanan, K. | |
| Guide: | Srinivasamoorthy, K. | |
| University: | Pondicherry University, Puducherry | |
| Language: | English | |
| Shodhganga | ||