| 1 | ||
| Researcher: | Kumar, Naveen | |
| Guide: | Kumar, Ashok | |
| University: | Maharshi Dayanand University | |
| Language: | English | |
| Shodhganga | ||
| 2 | ||
| Researcher: | Jacob, Varghese | |
| Guide: | Namboothiri, Narayanan V N | |
| University: | Cochin University of Science and Technology | |
| Language: | English | |
| Shodhganga | ||