| 1 | ||
| Researcher: | Joseph, Lissamma | |
| Guide: | Valsala, P A | |
| University: | Kerala Agricultural University | |
| Language: | English | |
| 2 | ||
| Researcher: | Joseph, Lissamma | |
| Guide: | Mathews, C K | |
| University: | University of Madras | |
| Language: | English | |
| 3 | ||
| Researcher: | Joseph, Lissamma | |
| Guide: | Singh, A.P. | |
| University: | Gauhati University | |
| Language: | English | |
| Shodhganga | ||