West Bengal. Agriculture, D. o. (1972). Study on farm management and cost production of crops: West Bengal. The author.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWest Bengal. Agriculture, Directorate of. Study on Farm Management and Cost Production of Crops: West Bengal. The author, 1972.
एमएलए (9वां संस्करण) प्रशस्ति पत्रWest Bengal. Agriculture, Directorate of. Study on Farm Management and Cost Production of Crops: West Bengal. The author, 1972.
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