RAO, M. Murali Krishna; VENKATESWARLU, B.; NARAYANA, Y. Adi. Tripolar fuzzy soft ideals and tripolar fuzzy soft interior ideals over semiring. Italian Journal of Pure and Applied Mathematics, [S. l.], v. 42, p. 731–743, 2019. Disponível em: https://journals.uniurb.it/index.php/ijpam/article/view/7194. Acesso em: 27 oct. 2026.