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Arif Indra Irawan, Iman Hedi Santoso, Istikmal, Maya Rahayu. Implementation of QR Code Attendance Security System Using RSA and Hash Algorithms . Jurnal Nasional Teknik Elektro dan Teknologi Informasi [Internet]. 2024Feb.23 [cited 2024May30];13(1):53-9. Available from: https://jurnal.ugm.ac.id/v3/JNTETI/article/view/4395