Sitanggang, Rianto. “SISTEM INFORMASI LAPORAN PENJUALAN KOMPUTER BERBASIS LAN”. JURNAL MAHAJANA INFORMASI 4, no. 1 (June 28, 2019): 62–77. Accessed May 6, 2024. http://e-journal.sari-mutiara.ac.id/index.php/7/article/view/729.