JAMI, Hassanali; GORE, Sharad. Use of data envelopment analysis for clustering of decision making units. Italian Journal of Pure and Applied Mathematics, [S. l.], v. 42, p. 575–587, 2019. Disponível em: https://journals.uniurb.it/index.php/ijpam/article/view/7209. Acesso em: 27 oct. 2026.