| 1 | ||
| Researcher: | Rejani, P P | |
| Guide: | Sankaran, P G | |
| University: | Cochin University of Science & Technology, Cochin | |
| Language: | English | |
| Shodhganga | ||
| 2 | ||
| Researcher: | Pathiyil, Mathachan | |
| Guide: | Jeevanand, E S | |
| University: | Mahatma Gandhi University | |
| Language: | English | |
| Shodhganga | ||