MADI, A. Price of products and the farming system in the cotton production zone near the northern tip of Cameroon. Cahiers Agricultures, [S. l.], v. 9, n. 2, p. 125–130, 2000. Disponível em: https://revues.cirad.fr/index.php/cahiers-agricultures/article/view/30230. Acesso em: 24 aug. 2024.