| 1 | ||
| Researcher: | Sen, Sanjay | |
| University: | University of Calcutta | |
| Language: | English | |
| Shodhganga | ||
| 2 | Coal mining industry in Assam a study of Tinsukia district 1865 1940 | |
| Researcher: | Sen, Sanjay | |
| Guide: | Purkayastha, Sudeshna | |
| University: | Assam University | |
| Language: | English | |
| Shodhganga | ||