NIMISH, Sheth; TRIANTIS, Konstantinos. Measuring and evaluating efficiency and effectiveness using goal programming and data envelopment analysis in a fuzzy environment. Yugoslav Journal of Operations Research, [S. l.], v. 13, n. 1, p. 35–60, 2003. DOI: 10.2298/YJOR0301035N. Disponível em: https://yujor.erc.fon.bg.ac.rs/index.php/yujor/article/view/82. Acesso em: 19 oct. 2025.