Bureau of Applied Economics and Statistics, Government of West Bengal. (1971). Statistical handbook, 1970. Bureau of Applied Economics and Statistics, Govt. of West Bengal.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBureau of Applied Economics and Statistics, Government of West Bengal. Statistical Handbook, 1970. Bureau of Applied Economics and Statistics, Govt. of West Bengal, 1971.
एमएलए (9वां संस्करण) प्रशस्ति पत्रBureau of Applied Economics and Statistics, Government of West Bengal. Statistical Handbook, 1970. Bureau of Applied Economics and Statistics, Govt. of West Bengal, 1971.
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