Veronika Lumban Gaol. “Sistem Informasi Pemesanan Barang Berbasis Online Pada PT. Matahari Departement Store Thamrin Plaza”. ADA Journal of Information System Research 2, no. 3 (June 30, 2025): 104-110. Accessed June 17, 2026. https://www.journals.adaresearch.or.id/adajisr/article/view/90.