| Type | Book |
| Title | Studies in Social Demography. Problems of the Theory and Data in Demography |
| Author(s) | |
| Publication (Day/Month/Year) | 1998 |
| URL | https://books.google.md/books?hl=ru&lr;=&id=wu4TVWAvoZ0C&oi=fnd&pg=PA125&dq;="National+Sample+Survey"+1959+India&ots=Buh5kooWDX&sig=kha9RMF0aFoKj2rbb-ewqWPYM5k&redir_esc=y#v=onepage&q="NationalSample&f=false |
| » | India - National Sample Survey 1972 (27th Round) |