Pratomo, Diyan, AND 		Budihartanti, Cahyani.
" 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], Volume 6 Number 4 (1 November 2022)