| 1 | ||
| Researcher: | Girija Devi, T P | |
| Guide: | Kusuman, K K | |
| University: | University of Kerala | |
| Language: | English | |
| 2 | ||
| Researcher: | Girija Devi V | |
| Guide: | Krishnan Nair B K | |
| University: | University of Kerala | |
| Shodhganga | ||
| 3 | ||
| Researcher: | Girija Devi V | |
| Guide: | Nayar P K B; Prema L | |
| University: | University of Kerala | |
| Language: | English | |
| Shodhganga | ||