| 1 | ||
| Researcher: | Lakshmi, E | |
| Guide: | G, Madhu | |
| University: | Mahatma Gandhi University, Kottayam | |
| Language: | English | |
| Shodhganga | ||
| 2 | ||
| Researcher: | Janaki Ram, Dharanipragada | |
| Guide: | Prasad, L VRao, U R K | |
| University: | Indian Institute of Technology-Delhi | |
| Language: | English | |