| 1 | ||
| Researcher: | C . Nageswara Raju | |
| Guide: | Prof . M . Krishnaiah | |
| University: | Sri Venkateswara University | |
| Language: | English | |
| Shodhganga | ||
| 2 | ||
| Researcher: | K . Vanadeep | |
| Guide: | Prof . M . Krishnaiah | |
| University: | Sri Venkateswara University | |
| Language: | English | |
| Shodhganga | ||