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Research Protocols Protocoles de Recherche
(OUA-CSTR, 1988-05)
PROCEEDINGS OF THE ON-FARM RESEARCH WORKSHOP HELD IN MAROUA, CAMEROON
(AU-SAFGRAD, 1987-09)
SOIL AND CROP MANAGEMENT IN SELECTED FARMING SYSTEMS OF BURKINA FASO
(AU-SAFGRAD, 1987-03)