| 1 | ||
| Researcher: | George, Sunila | |
| Guide: | Mohammed Salih, K Y | |
| University: | Cochin University of Science and Technology | |
| Language: | English | |
| Shodhganga | ||
| 2 | ||
| Researcher: | Deshpande, Ramchandra Narayana | |
| Guide: | Vakil, J R | |
| University: | University of Pune | |
| Language: | English | |