SONGSAENG, Metawee; PING SHUM, Kar; CHINRAM, Ronnason; IAMPAN, Aiyared. Neutrosophic implicative UP-filters, neutrosophic comparative UP-filters, and neutrosophic shift UP-filters of UP-algebras. Neutrosophic Sets and Systems, [S. l.], v. 47, p. 620–643, 2021. Disponível em: https://fs.unm.edu/nss8/index.php/111/article/view/2025.. Acesso em: 8 jan. 2025.