AL-SHAMI, T. M.; EL-SHAFEI, M. E.; ABO-ELHAMAYEL, M. New types of soft ordered mappings via soft α-open sets. Italian Journal of Pure and Applied Mathematics, [S. l.], v. 42, p. 357–375, 2019. Disponível em: https://journals.uniurb.it/index.php/ijpam/article/view/7231. Acesso em: 27 oct. 2026.