Hien, E. -, W. T. - Kabore, D. - Masse, and P. Dugue. “Sustainable Farming Systems in the Sub-Sahelian Zone of Burkina Faso -: Key Factors”. Sustainability in Debate 1, no. 2 (December 22, 2010): 125. Accessed November 23, 2024. https://periodicos.unb.br/index.php/sust/article/view/15277.