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Européens et Africains : l'entente nécessaire
Habsbourg, Otto de, (1963)
A survey of North West Africa (The Maghrib)
Barbour, Nevill, (1962)
Nutrition in relation to agricultural production : a manual for extension supervisors in agriculture, home economics, rural health, community development and for workers in other fields related to nutrition in Nigeria and the countries of West Africa
Dema, Isaac Solomon, (1965)