| 1 | ||
| Researcher: | Rao, Ippili Tarakeswara | |
| Guide: | Babu, J Madhu | |
| University: | Acharya Nagarjuna University, Guntur | |
| Language: | English | |
| Shodhganga | ||
| 2 | ||
| Researcher: | Pratima, M. P. | |
| Guide: | Kumar, Ashwin | |
| University: | Gujarat Vidyapith, Ahmedabad | |
| Language: | English | |
| Shodhganga | ||