Operation, W. B. D. o. C. (2000). Census of India:1991, Series-26, West Bengal, Part IIIB, B Series: Economic tables. The author.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रOperation, West Bengal. Directorate of Census. Census of India:1991, Series-26, West Bengal, Part IIIB, B Series: Economic Tables. The author, 2000.
एमएलए (9वां संस्करण) प्रशस्ति पत्रOperation, West Bengal. Directorate of Census. Census of India:1991, Series-26, West Bengal, Part IIIB, B Series: Economic Tables. The author, 2000.
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