| 1 | ||
| Researcher: | Gorthi, Rama Krishna Hanuman | |
| Guide: | Rao, Shiva T | |
| University: | Andhra University, Waltair | |
| Language: | English | |
| Shodhganga | ||
| 2 | ||
| Researcher: | Petnikota, Shaikshavali | |
| Guide: | V V S S Srikanth | |
| University: | University of Hyderabad, Hyderabad | |
| Language: | English | |
| Shodhganga | ||