Ouest (1) Département du Nord (1) Cameroun (1) Assaying (1) Methodology (1) Cole crops (1) Village communities (1) Truck farming (1) Rate of return (1) Leek (1) Farmers (1) Division (1) Culture (1) Celery (1) Carrots (1) Capitalists and financiers (1) Yields (1) Design (1) Analysis (1) Science (1) Educación--Fines y objetivos (1) Coles (1) Agricultores (1) Col (1) Apio (1) Ciencias (1) Diseño (1) Metodología (1) Enquête (1) Analyse (1)