| 1 | |
| Researcher: | Sandepogu, Rajasekhar | 
| Guide: | V., Venkateswarlu | 
| University: | Acharya Nagarjuna University, Guntur | 
| Language: | English | 
| 2 | |
| Researcher: | Indira, V | 
| University: | Osmania University | 
| Language: | English | 
| 3 | |
| Researcher: | Usha, P | 
| University: | Osmania University | 
| Language: | English |