| 1 | ||
| Researcher: | M.D.V.Jogeswara rao | |
| Guide: | S.Viswanatha Reddy | |
| University: | Sri Venkateswara University | |
| Language: | English | |
| Shodhganga | ||
| 2 | ||
| Researcher: | T.Subhas Chandra | |
| Guide: | S.Viswanatha Reddy | |
| University: | Sri Venkateswara University | |
| Language: | English | |
| Shodhganga | ||