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