| 1 | ||
| Researcher: | Babu, Linu | |
| Guide: | Pradeepkumar, A P | |
| University: | Mahatma Gandhi University, Kottayam | |
| Language: | English | |
| Shodhganga | ||
| 2 | ||
| Researcher: | Babu, Sreejith P. | |
| Guide: | Elumalai, P. | |
| University: | Pondicherry University, Puducherry | |
| Language: | English | |
| Shodhganga | ||