| 1 | ||
| Researcher: | Rama Krishna Hanuman Gorthi | |
| Guide: | Siva Rao, T | |
| University: | Andhra University | |
| Language: | English | |
| Shodhganga | ||
| 2 | ||
| Researcher: | Arasada Prameela | |
| Guide: | Narasimha Rao, N L | |
| University: | Andhra University | |
| Language: | English | |
| Shodhganga | ||
| 3 | ||
| Researcher: | Medepalli Venkatasubbarao | |
| Guide: | Valasayya, G | |
| University: | Andhra University | |
| Language: | English | |
| Shodhganga | ||