| 1 | ||
| Researcher: | C. Narasimha Rao | |
| Guide: | Prof. P. Venkateswarlu | |
| University: | Sri Venkateswara University | |
| Language: | English | |
| Shodhganga | ||
| 2 | ||
| Researcher: | C. Narasimha rao | |
| Guide: | P. Jacob Doss | |
| University: | Sri Venkateswara University | |
| Language: | English | |
| Shodhganga | ||