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