| 1 | |
| Researcher: | Kumar, Prem Shankar |
| Guide: | Kumar, Nabin |
| University: | Bhupendra Narayan Mandal University |
| Language: | English |
| 2 | |
| Researcher: | Kumar, Prem Shankar |
| Guide: | Kumaraswamidhas, L.A.Laha, S.K. |
| University: | Indian School of Mines, Dhanbad |
| Language: | English |