CHANGPHAS, T.; DAVVAZ, B. Study of Properties of Several Kinds of Hyperideals in Ordered Ternary Semihypergroups. Journal of the Indonesian Mathematical Society, [S. l.], v. 27, n. 2, p. 228–239, 2021. DOI: 10.22342/jims.27.2.965.228-239. Disponível em: https://jims-a.org/index.php/jimsa/article/view/965. Acesso em: 1 may. 2024.