Datta Ray, B. (1978). Social and economic profile of north-east India. B.R. Pub. Corp.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDatta Ray, B. Social and Economic Profile of North-east India. B.R. Pub. Corp, 1978.
एमएलए (9वां संस्करण) प्रशस्ति पत्रDatta Ray, B. Social and Economic Profile of North-east India. B.R. Pub. Corp, 1978.
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