| 1 | |
| Researcher: | Raju, P Rama Krishna |
| Guide: | K, Sreeramulu |
| University: | Andhra University |
| Language: | English |
| 2 | |
| Researcher: | Raju, P Rama Krishna |
| Guide: | K, Sreeramulu |
| University: | Andhra University |
| Language: | English |
| 3 | |
| Researcher: | Satyanarayana, Bevara |
| Guide: | Shameem, U |
| University: | Andhra University, Waltair |
| Language: | English |