Wong, Pik Keen, and Hazalila Kamaludin. “Online Food Ordering System in Triple L Café by Scanning Quick Response (QR) Code”. Applied Information Technology And Computer Science, vol. 5, no. 1, Aug. 2024, pp. 799-16, https://publisher.uthm.edu.my/periodicals/index.php/aitcs/article/view/12037.