| 1 | ||
| Researcher: | Venkata Rao, P | |
| Guide: | Dasaradharami Reddy, B | |
| University: | Sri Venkateswara University | |
| Language: | English | |
| 2 | ||
| Researcher: | Sariga, P K | |
| Guide: | Mini Sekharan, N | |
| University: | Cochin University of Science & Technology, Cochin | |
| Language: | English | |
| Shodhganga | ||