| 1 | ||
| Researcher: | John, Sunil Jacob | |
| Guide: | Thrivikraman T | |
| University: | Cochin University of Science and Technology | |
| Language: | English | |
| Shodhganga | ||
| 2 | ||
| Researcher: | Dwivedi, Vijay Kumar | |
| Guide: | Verma, Sunil Kumar | |
| University: | Pandit Sundarlal Sharma Open University | |
| Language: | English | |