| 1 | ||
| Researcher: | Karunakaran, K K | |
| Guide: | Azhikode, Sukumar | |
| University: | University of Calicut | |
| Language: | English | |
| 2 | ||
| Researcher: | Thuyavarman, K. | |
| Guide: | Velu, Saravanan | |
| University: | Pondicherry University, Puducherry | |
| Language: | English | |
| Shodhganga | ||
| 3 | ||
| Researcher: | K R, Shyama | |
| Guide: | Omanakutty, K | |
| University: | Mahatma Gandhi University, Kottayam | |
| Language: | English | |
| Shodhganga | ||