| 1 | ||
| Researcher: | T. Venkateswarlu | |
| Guide: | Dr. Anupalli Sudhakaraiah | |
| University: | Sri Venkateswara University | |
| Language: | English | |
| Shodhganga | ||
| 2 | ||
| Researcher: | T. Venkateswarlu | |
| Guide: | Prof. V. Venkata Ramana Reddy | |
| University: | Sri Venkateswara University | |
| Language: | English | |
| Shodhganga | ||