Wardana, A. R., and H. Hidayat. “Rancang Bangun Aplikasi Kasir Pencetak Struk Belanja Kode Quick Response Berbasis Website Dan Android”. JOINS (Journal of Information System), vol. 5, no. 2, Nov. 2020, pp. 208-20, doi:10.33633/joins.v5i2.3809.