| 1 | ||
| Researcher: | Mutyala Ravi Kumar | |
| Guide: | Gali Radha Krishna | |
| University: | Sri Venkateswara University | |
| Language: | English | |
| Shodhganga | ||
| 2 | ||
| Researcher: | Reddy, Chigicherla Thirupal | |
| Guide: | Gali Radha Krishna | |
| University: | Sri Venkateswara University | |
| Language: | English | |
| Shodhganga | ||