| 1 | ||
| Researcher: | Joy, K. P. | |
| Guide: | Gurukkal, Rajan | |
| University: | Mahatma Gandhi University | |
| Language: | English | |
| Shodhganga | ||
| 2 | ||
| Researcher: | Joy, K J | |
| Guide: | Wilson, P R | |
| University: | Cochin University of Science and Technology | |
| Language: | English | |
| Shodhganga | ||
| 3 | ||
| Researcher: | Joy, K P | |
| Guide: | Gurukkal, Rajan | |
| University: | Mahatma Gandhi University | |
| Language: | English | |
| Shodhganga | ||