Pratomo, Diyan, & Cahyani Budihartanti.
" Rancang Bangun Aplikasi Absensi Karyawan Menggunakan Metode QR Code Berbasis Mobile di PT Bayarna Teknologi Nusantara." <em>Journal of Information System, Applied, Management, Accounting and Research</em> [Online], 6.4 (2022): 804-814. Web.  6 Jul. 2025