Oliazola Tolosana, A.M., Z. Whebi, and E. Manrique Persiva. “Quality Perception and Consumer Attitudes to "specific Quality beef" In Aragón, Spain”. Spanish Journal of Agricultural Research 3, no. 4 (December 1, 2005): 418-428. Accessed August 2, 2026. https://sjar.revistas.csic.es/index.php/sjar/article/view/169.