ALFONSIUS, G. . MATH IS FUN: GARRY ALFONSIUS Bachelor of Science in Business Administration at Universal Institute of ProfessionalManagement UIPM Singapore. Universal Journal, [S. l.], v. 6, n. 1, 2021. DOI: 10.58826/uj.v6i1.19. Disponível em: https://uipmcenter.net/ojs/index.php/journal/article/view/19. Acesso em: 2 dec. 2023.