| 1 | |
| Researcher: | Nandakumar, P T |
| Guide: | Thampi, R SankaradasanNayar, P K b |
| University: | University of Kerala |
| Language: | English |
| 2 | |
| Researcher: | Vadackumchery, James |
| Guide: | Nayar, P K BThampi, R Sankaradasan |
| University: | University of Kerala |
| Language: | English |