Lidia, Ratna, Darius Antoni, and Evi Yulianti. “Implementasi Sistem Informasi Layanan Mandiri Untuk Otomatisasi Pembelian Produk Frozen Food Berbasis Qr Code”. Jurnal Ilmiah Informatika Global 17, no. 02 (July 20, 2026): 145–152. Accessed October 16, 2026. https://ejournal.uigm.ac.id/index.php/IG/article/view/7248.