| 1 | |
| Researcher: | Manepalli, E. Phanikumar |
| Guide: | Iyer, Saraswati Raju |
| University: | Acharya Nagarjuna University, Guntur |
| Language: | English |
| 2 | |
| Researcher: | Kopparthi, Hari Krishna |
| Guide: | V, Venkateshwarlu |
| University: | Acharya Nagarjuna University, Guntur |
| Language: | English |