Browsing African Union Specialized Technical Office on Research and Development in Semi-Arid Zones of Africa (AU SAFGRAD) Collection by Subject "Agricultural and development in Africa"
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TOWARDS SUSTAINABLE FARMING SYSTEMS IN SUB-SAHARAN AFRICA / VERS DES SYSTEMES DE PRODUCTIONDURABLE ENAERIQUE SUB-SAHARIENNE
(OAU/STRC - SAFGRADAAFSRET Secretarial, 1996-08)