India. Registrar General & Census Commissioner & Gupta, J. D. (1965). Census of India, 1961. West Bengal & Sikkim: Household economic tables. Controller of Publication, Civil Lines.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रIndia. Registrar General & Census Commissioner और J. Dutta Gupta. Census of India, 1961. West Bengal & Sikkim: Household Economic Tables. Controller of Publication, Civil Lines, 1965.
एमएलए (9वां संस्करण) प्रशस्ति पत्रIndia. Registrar General & Census Commissioner और J. Dutta Gupta. Census of India, 1961. West Bengal & Sikkim: Household Economic Tables. Controller of Publication, Civil Lines, 1965.
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