| 1 | ||
| Researcher: | George, Zachariah | |
| Guide: | George, K K | |
| University: | Cochin University of Science and Technology | |
| Language: | English | |
| Shodhganga | ||
| 2 | ||
| Researcher: | Zachariah, Arun Babu | |
| Guide: | Mathew, Roy C | |
| University: | Mahatma Gandhi University, Kottayam | |
| Language: | English | |
| Shodhganga | ||