| 1 | ||
| Researcher: | Paul, Nirmala | |
| Guide: | Pillai, Krishna | |
| University: | Cochin University of Science and Technology | |
| Language: | English | |
| Shodhganga | ||
| 2 | ||
| Researcher: | Nirmala Antherjanam N | |
| Guide: | Jathavedan M | |
| University: | Cochin University of Science and Technology | |
| Language: | English | |
| Shodhganga | ||