Development (2) Reality (2) Rate of return (2) Science (2) Organization (2) Organizaciones (2) Realidad (2) Ciencias (2) États (2) Développement (2) Réalité (2) Organisation (2) Sciences (2) Afrique noire (2) Afrique au sud du Sahara (2) Ouest (1) Cameroun (1) Costs (1) Grafting (1) Implements (1) Assaying (1) Instruments (1) Sustainable development (1) Horizon (1) Notions (Philosophy) (1) Sports records (1) Solidarity (1) Service industries (1) Renaissance (1) Public interest (1)