TY - BOOK TI - Food systems under stress in Africa: African-Canadian research cooperation : proceedings of a workshop held in Ottawa, Ontario, Canada 7-8 November 1993 SN - 088936723X (paperback) AV - HD2117 F686 PY - 1994///. CY - Ottawa PB - International Development Research Centre KW - Agricultural assistance, Canadian KW - Africa KW - Congresses KW - Agriculture KW - Food supply ER -