SOESILO, N. Cover Belakang Vol 1 No 2. Journal of Integrated System, [S. l.], v. 1, n. 2, 2019. DOI: 10.28932/jis.v1i2.1250. Disponível em: https://journal.maranatha.edu/index.php/jis/article/view/1250. Acesso em: 2 may. 2024.