| 1 | ||
| Researcher: | R . Chandrasekhar | |
| Guide: | B . Krishnamma Reddy | |
| University: | Sri Venkateswara University | |
| Language: | English | |
| Shodhganga | ||
| 2 | ||
| Researcher: | Rayapati . Venugopal | |
| Guide: | B . Krishnamma Reddy | |
| University: | Sri Venkateswara University | |
| Language: | English | |
| Shodhganga | ||