North East India Council for Social Science Research, S. (1981). Problems of tea industry in North East India. Research India Pub.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNorth East India Council for Social Science Research, Shillong. Problems of Tea Industry in North East India. Research India Pub, 1981.
एमएलए (9वां संस्करण) प्रशस्ति पत्रNorth East India Council for Social Science Research, Shillong. Problems of Tea Industry in North East India. Research India Pub, 1981.
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