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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?. J. Agric. Food Syst. Community Dev. 2012, 2, 107-127.