TY - BOOK AU - Semiti,G.A. TI - Cash crops V/S food crops and their comparative effects on the human environment T2 - Paper; 16 AV - EAF QTO HN800.E2W65 No.16 PY - 1974/// CY - Nairobi PB - United Nations Environmental Programme KW - Food crops KW - Cash crops, KW - Sustainable agriculture ER -