| 1 | |
| Researcher: | Babu, Atchaiah U |
| Guide: | Babu, Sudhakara |
| University: | Acharya Nagarjuna University, Guntur |
| Language: | English |
| 2 | |
| Researcher: | Chennuboina, Venkata, Manjusha |
| Guide: | Patteti, Raja, Sekhar |
| University: | Acharya Nagarjuna University, Guntur |
| Language: | English |