| 1 | |
| Researcher: | Radha, P I |
| Guide: | Achuthanunni, C P |
| University: | University of Calicut |
| Language: | English |
| 2 | |
| Researcher: | Krishnan , C Radha |
| Guide: | Mani, M J |
| University: | Kannur University |
| Language: | English |
| 3 | |
| Researcher: | Radha, Mani Amma R |
| Guide: | Gopinatha Pillai, N R |
| University: | University of Kerala |
| Language: | Kannada |