| 1 | |
| Researcher: | Agnihotram, Srinivasacharyuulu |
| Guide: | Rao, M V S Koteswara |
| University: | Acharya Nagarjuna University, Guntur |
| Language: | English |
| 2 | |
| Researcher: | Shaik, Esuf |
| Guide: | Sarma, M V N |
| University: | Acharya Nagarjuna University, Guntur |
| Language: | English |