| 1 | ||
| Researcher: | Rao, Rayudu Prakasa | |
| Guide: | Krishna, P.V. | |
| University: | Acharya Nagarjuna University, Guntur | |
| Language: | English | |
| 2 | ||
| Researcher: | Rejish Kumar V J | |
| Guide: | Philip, Rosamma | |
| University: | Cochin University of Science and Technology | |
| Language: | English | |
| Shodhganga | ||