Hidayat , T. ., R. F. . Firmansyah, and M. N. . Yazid. “Perancangan Sistem Informasi Jasa Upgrade, Repair Dan Procurement PC Berbasis Web”. Scientia Sacra: Jurnal Sains, Teknologi Dan Masyarakat, vol. 3, no. 2, July 2023, pp. 102-13, http://www.pijarpemikiran.com/index.php/Scientia/article/view/502.