Arif Indra Irawan, Iman Hedi Santoso, Istikmal and Maya Rahayu (2024) “Implementation of QR Code Attendance Security System Using RSA and Hash Algorithms ”, Jurnal Nasional Teknik Elektro dan Teknologi Informasi, 13(1), pp. 53-59. doi: 10.22146/jnteti.v13i1.4395.