| 1 | ||
| Researcher: | Narayana, Kona | |
| Guide: | Busi, Venkata Swamy | |
| University: | Acharya Nagarjuna University, Guntur | |
| Language: | English | |
| Shodhganga | ||
| 2 | ||
| Researcher: | Gangisetty, L Narayana | |
| Guide: | Sastri, R V Ramakrishna | |
| University: | University of Hyderabad, Hyderabad | |
| Language: | English | |
| Shodhganga | ||