| 1 | ||
| Researcher: | Girija, O K | |
| Guide: | Sudheep Elayidom, M | |
| University: | Cochin University of Science & Technology, Cochin | |
| Language: | English | |
| Shodhganga | ||
| 2 | ||
| Researcher: | Behera, Girija Shankar | |
| Guide: | Sarkar, B.C. | |
| University: | Indian School of Mines, Dhanbad | |
| Language: | English | |