| 1 | ||
| Researcher: | G . Krishnaiah | |
| Guide: | P . Sreedhara Reddy | |
| University: | Sri Venkateswara University | |
| Language: | English | |
| Shodhganga | ||
| 2 | ||
| Researcher: | D . Sreekantha Reddy | |
| Guide: | P . Sreedhara Reddy | |
| University: | Sri Venkateswara University | |
| Language: | English | |
| Shodhganga | ||