PRATAMA, Edwin Yoyada. Reliable It Service Comes with Price. ComTech: Computer, Mathematics and Engineering Applications, [S. l.], v. 4, n. 1, p. 225–229, 2013. DOI: 10.21512/comtech.v4i1.2712. Disponível em: https://journal.binus.ac.id/index.php/comtech/article/view/2712. Acesso em: 3 may. 2025.