TY - BOOK AU - Akoroda, M. O ED - Technical Centre for Agricultural and Rural Cooperation (CTA) TI - Root crops for food security in Africa SN - 9782079002 AV - CTA(02) PY - 1994/// CY - Ibadan PB - International Society for Tropical Roots Crops-Africa Branch KW - YAMS KW - CROPS--EXPERIMENTS KW - FOOD SECURITY--GWEMBE VALLEY--ZAMBIA KW - ROOT CROPS N1 - proceedings of the fifth triennial symposium of international society for tropical root crops- Africa Branch held in Kampala, Uganda, 22-28 November 1992 ER -