ALFONSIUS, G. . MATH IS FUN: Bachelor of Science in Business Administration . Universal Journal, [S. l.], v. 2, n. 1, 2021. DOI: 10.58826/uj.v2i1.19. Disponível em: https://uipmcenter.net/ojs/index.php/journal/article/view/19. Acesso em: 24 aug. 2026.