Muksan Junaidi, Khalif Rifky Noor Nugroho, and Eka Satria Wibawa. “Aplikasi Kasir Online Berbasis QR-Code Pada Toko Emas Karunia Cepu”. JURNAL PENELITIAN SISTEM INFORMASI (JPSI), vol. 2, no. 3, July 2024, pp. 139-52, doi:10.54066/jpsi.v2i3.2245.