Rancang Bangun Aplikasi Prototype Sistem Penjualan Kopi Berbasis Mobile (Study Kasus: Kedai Cuan). Jiforty [Internet]. 2024 Jun. 30 [cited 2024 Sep. 8];5(1):45-58. Available from: https://ejurnal.ubharajaya.ac.id/index.php/jiforty/article/view/2669