| 1 | ||
| Researcher: | M. Chandrasekhara Reddy | |
| Guide: | Dr. K. Sarvotthama Rao | |
| University: | Sri Venkateswara University | |
| Language: | English | |
| Shodhganga | ||
| 2 | ||
| Researcher: | G. Umadevi | |
| Guide: | Dr. K. Sarvotthama Rao | |
| University: | Sri Venkateswara University | |
| Language: | English | |
| Shodhganga | ||