Bureau of Applied Economics and Statistics, Government of West Bengal. (1971). Statistical handbook, 1970. Bureau of Applied Economics and Statistics, Govt. of West Bengal.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিBureau of Applied Economics and Statistics, Government of West Bengal. Statistical Handbook, 1970. Bureau of Applied Economics and Statistics, Govt. of West Bengal, 1971.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিBureau 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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