| 1 | |
| Researcher: | Harikrishna, Tangella |
| Guide: | Ramasubbaiah, Y.P. |
| University: | Acharya Nagarjuna University, Guntur |
| Language: | Arabic |
| 2 | |
| Researcher: | Chandu, Venkateswarlu |
| Guide: | Rao, P. Purnachandra |
| University: | Acharya Nagarjuna University, Guntur |
| Language: | English |
| 3 | |
| Researcher: | Basha, Mulla Mahaboob |
| Guide: | Rao, M. Trimurthi |
| University: | Acharya Nagarjuna University, Guntur |
| Language: | English |