Jiménez-Guerrero, J. F., J. C. Gázquez-Abad, R. Huertas-García, and J. A. Mondéjar-Jiménez. “Estimating Consumer Preferences for Extrinsic and Intrinsic Attributes of Vegetables. A Study of German Consumers”. Spanish Journal of Agricultural Research 10, no. 3 (June 15, 2012): 539-551. Accessed August 1, 2026. https://sjar.revistas.csic.es/index.php/sjar/article/view/1950.