Chakrabarti, P. K. (1989). Coal industry in West Bengal. Northern Book Centre.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रChakrabarti, Prabhas Kumar. Coal Industry in West Bengal. Northern Book Centre, 1989.
एमएलए (9वां संस्करण) प्रशस्ति पत्रChakrabarti, Prabhas Kumar. Coal Industry in West Bengal. Northern Book Centre, 1989.
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