| Type | Book |
| Title | World Yearbook of Education 1992 |
| Author(s) | |
| Publication (Day/Month/Year) | 2005 |
| Publisher | Routledge |
| URL | https://books.google.de/books?id=7B5evumqrfoC |
| » | India - Census 1971 |
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| » | India - National Sample Survey 1972 (27th Round) |