| 1 | ||
| Researcher: | Gurram Peddappa Raju | |
| Guide: | Dr. D. Krishnamoorthy | |
| University: | Sri Venkateswara University | |
| Language: | English | |
| Shodhganga | ||
| 2 | ||
| Researcher: | M. V. Narasimha Rao | |
| Guide: | Dr. D. Krishnamoorthy | |
| University: | Sri Venkateswara University | |
| Language: | English | |
| Shodhganga | ||