Bruhn, F. R. P., M. A. Lopes, P. B. Faria, L. V. Junqueira, and C. M. B. M. da Rocha. “Factors Associated With Perceptions and Attitude of Consumers of Meat With Certification of Origin”. Brazilian Journal of Veterinary Medicine, vol. 37, no. 4, Dec. 2015, pp. 371-8, https://bjvm.org.br/BJVM/article/view/424.