SULEMAN, Abdul; SULEMAN, Fátima; REIS, Elizabeth. Fuzzy approach to discrete data reduction: an application in economics for assessing the skill premium. Journal of Business Economics and Management, [S. l.], v. 17, n. 3, p. 414–429, 2016. DOI: 10.3846/16111699.2014.978361. Disponível em: https://journals.vilniustech.lt/index.php/JBEM/article/view/2246. Acesso em: 18 may. 2025.