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 (pbk.): PY - 1994/// CY - Canada PB - IDRC KW - Agricultural assistance, Canadian- KW - Congresses- KW - Africa KW - Agriculture- KW - Food supply- N1 - Includes bibliographical references ER -