Dugué, Patrick, and CIRAD-DSA. 1989. “Farming Draught in Sahel-Sudan Zone : a Viable Solution for Agricultural Development or agronomist’s Utopia ? The Case of Yatenga in Burkina Faso”. Les Cahiers De La Recherche Développement, no. 21 (January):45-59. https://revues.cirad.fr/index.php/crd/article/view/36573.