Tropical root crops: Production and uses in Africa /Proceedings of the second triennial symposium of the international society for tropical root crops- Africa branch held in Douala, Cameroon, 19 August 1983 - Africa: IDRC, 1983 - 231p. ISBN: 0889364095 Subjects--Topical Terms: Agriculture Subjects--Index Terms: Root Crops Universal Decimal Class. No.: 633.4 / M3