| Type | Book |
| Title | Urban unorganised sector in India |
| Author(s) | |
| Publication (Day/Month/Year) | 1989 |
| Publisher | Mittal Publications |
| URL | https://books.google.md/books?hl=ru&lr;=&id=K7fDs9fV3TsC&oi=fnd&pg=PA1&dq;="National+Sample+Survey"+1959+India&ots=viVyVXn7F8&sig=uc7z1yxsBfGMI1o6mO--qRsHH2s&redir_esc=y#v=onepage&q=NAtionalSample&f=false |
| » | India - National Sample Survey 1972 (27th Round) |