| 1 | ||
| Researcher: | John, Usha | |
| Guide: | Nair, K P Rajappan | |
| University: | Cochin University of Science and Technology | |
| Language: | English | |
| 2 | ||
| Researcher: | John, Usha | |
| Guide: | Nair, K P Rajappan | |
| University: | Cochin University of Science and Technology | |
| Language: | English | |
| Shodhganga | ||