ALFONSIUS, G. . CALCULUS – DIFFERENTIAL, INTEGRAL, AND INFINITE: Garry Alfonsius Bachelor of Science in Business Administration at Universal Institute of Professional Management - UIPM Singapore. Universal Journal, [S. l.], v. 6, n. 5, 2021. DOI: 10.58826/uj.v6i5.21. Disponível em: https://uipmcenter.net/ojs/index.php/journal/article/view/21. Acesso em: 27 sep. 2023.