| 1 | The economic condition of industrial labour in Madhya Pradesh coal-mines |
| Researcher: | Shrivastava, VK |
| University: | Rashtrasant Tukadoji Maharaj Nagpur University |
| 2 | |
| Researcher: | Gupta, Parmeshwari Lal |
| University: | Banaras Hindu University |
| Language: | English |