Saputra, Subandi, and Aswardi Aswardi. “Rancang Bangun Absensi Elektronik Berbasis Mikrokontrolller Atmega328”. INVOTEK: Jurnal Inovasi Vokasional dan Teknologi 18, no. 1 (July 5, 2018): 75-82. Accessed October 15, 2024. http://invotek.ppj.unp.ac.id/index.php/invotek/article/view/247.