SCHNEIDER, S.; SIEGMUND-SCHULTZE, M.; HOLANDA JÚNIOR, E. V.; ALVES, F. S. F.; ZÁRATE, A. V. Is a Geographical Certification a Promising Production and Commercialization Strategy for Smallholder Sheep Farming in Ceará, Brazil?. Journal of Agriculture, Food Systems, and Community Development, Ithaca, NY, USA, v. 2, n. 2, p. 107–127, 2012. DOI: 10.5304/jafscd.2012.022.013. Disponível em: https://www.foodsystemsjournal.org/index.php/fsj/article/view/91. Acesso em: 23 jan. 2022.