Yangui A, Costa-Font M, Gil JM. Revealing additional preference heterogeneity with an extended random parameter logit model: the case of extra virgin olive oil. Span. j. agric. res. [Internet]. 2014Jul.9 [cited 2026Aug.1];12(3):553-67. Available from: https://sjar.revistas.csic.es/index.php/sjar/article/view/5501