| 1 | ||
| Researcher: | Vasanthi Pillay, V | |
| Guide: | Vijayalakshmi, K | |
| University: | Bharathidasan University | |
| Language: | English | |
| Shodhganga | ||
| 2 | ||
| Researcher: | Francis Xavier P.A | |
| Guide: | Varghese, Thomas | |
| University: | Mahatma Gandhi University, Kottayam | |
| Language: | English | |
| Shodhganga | ||