| 1 | |
| Researcher: | Venkata, Satyanarayana, Kotikalapudi |
| Guide: | Rao, Narasimha, C, V |
| University: | Acharya Nagarjuna University, Guntur |
| Language: | English |
| 2 | |
| Researcher: | Ishaque, Patwekar Faheem Mohammed |
| Guide: | B., Gopalakrishna |
| University: | Acharya Nagarjuna University, Guntur |
| Language: | English |