| 1 | |
| Researcher: | Rao, Vaddi, Pandu Ranga |
| Guide: | Babu, Hari, B |
| University: | Acharya Nagarjuna University, Guntur |
| Language: | English |
| 2 | |
| Researcher: | Reddy, Munnangi, Srinivasa |
| Guide: | Babu, Hari, B |
| University: | Acharya Nagarjuna University, Guntur |
| Language: | Arabic |