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Beiträge zur europäischen Überseegeschichte
Beiträge zur Kolonial- und Überseegeschichte
L' office du Niger au Mali 1932 à 1982 : la problématique d'und grande entreprise agricole dans la zone du Sahel
Schreyger, Emil, (1984)
Motivational factors in farm management among co-operators in Bendel State of Nigeria
Nwoko, Somayina G., (1985)
Estimating the growth impact of Nigeriaʹs Second National Development Plan (1970-74) on Agriculture
Nwoko, Somayina G., (1979)
Quantitatve effects of social overhead capital (SOC) on economic growth : case study, Nigeria, 1958-1967
Nwoko, Somayina G., (1976)