Saputra, Nanda Lutfian Eki, and Sri Wulandari. “Development of a QR Code-Based Self-Ordering System Integrated With Midtrans and a Kitchen Display System”. JSAI (Journal Scientific and Applied Informatics) 9, no. 3 (November 5, 2026): 457–466. Accessed November 9, 2026. https://jurnal.umb.ac.id/index.php/JSAI/article/view/12074.