| 1 | ||
| Researcher: | Krishna Rao, A | |
| University: | Andhra University | |
| Language: | Telugu | |
| 2 | ||
| Researcher: | Krishna Rao A | |
| Guide: | Vareed C | |
| University: | University of Madras | |
| Language: | English | |
| Shodhganga | ||
| 3 | ||
| Researcher: | Krishna Rao, A V | |
| University: | Andhra University | |
| Language: | English | |
| 4 | ||
| Researcher: | Krishna Rao, A V | |
| University: | Andhra University | |
| Language: | English | |