New perspectives on possible early dry land and wet land rice cultivation in highland North Sumatra - Maloney, Bernard K. (Bernard Kevin); University of Hull. Centre for South-East Asian Studies (Hull, England : University of Hull, Centre for South-East Asian Studies, 1996)
Includes bibliographical references (p. 36-42).
Keywords: Rice -- Indonesia -- Sumatera Utara -- History; Agriculture, Prehistoric -- Indonesia -- Sumatera Utara