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De, Ranjit Kumar The Barak valley : a survey of documents on the economic history,1832-1947 (II, III) / Ranjit Kumar De. - New Delhi : Mittal Publications, 2006
II,III parts;23cm 81-8324-172-7 Rs. 1200.00 * Assam Assam- Economic Conditions Assam- Economic History North East India- Economic Conditions Northeast India