| 1 | ||
| Researcher: | Gumma, Phani Kumar | |
| Guide: | Kar, Premashis and Husain | |
| University: | University of Delhi | |
| Language: | English | |
| Shodhganga | ||
| 2 | ||
| Researcher: | Velagapudi, Phani Kumar | |
| Guide: | Sunandamma, Y | |
| University: | Acharya Nagarjuna University, Guntur | |
| Language: | English | |