| Type | Website Document |
| Title | Levels, Trends and Structure of Workforce in India: Census Based Study 1981-2001 |
| Author(s) | |
| URL | http://www.iipsindia.org/pdf/b01cBhagat sir's report.pdf |
| » | India - Census 1981 |
| » | India - Census 1991 |
| » | India - Population Census 2001 |