Parcourir African Union Specialized Technical Office on Research and Development in Semi-Arid Zones of Africa (AU SAFGRAD) Collection par sujet "FARMING SYSTEMS RESEARCH"
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EXCHANGE AND COLLABORATION IN WEST AFRICAN FARMING SYSTEMS RESEARCH
(AU-SAFGRAD, 1988-10) -
RESPAO PROGRAMME D'ACTIVITES 1988 - 1990
(UA-SAFGRAD, 1990-04) -
RESPAO RAPPORT D'ACTIVITES, 1987 -1990
(UA-SAFGRAD, 1990-08)