ABDI SABDA, R.; YUSRAN, Y.; WINARTI, D. Presence Application on Nagari Devices Using Android-Based Qr Code: Aplikasi Presensi Perangkat Nagari Menggunakan Qr Code Berbasis Android . International Journal of Technology Vocational Education and Training, v. 3, n. 2, p. 107-112, 31 Dec. 2022.