| 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 |