Wedi, Surya, and Setyawan Widyarto. “Perancangan Aplikasi Pemesanan Makanan Berbasis Android Dengan QR Code”. Proceedings of the Informatics Conference 7, no. 13 (January 5, 2022): 47-51. Accessed May 18, 2022. http://ojs.journals.unisel.edu.my/index.php/icf/article/view/132.