Pramusinto, Wahyu, Bruri Trya Sartana, Sri Mulyati, and Safrina Amini. ā€œImplementation of AES-192 Cryptography and QR Code to Verify The Authenticity of Budi Luhur University Student Certificateā€. Jurnal Pendidikan Teknologi Kejuruan 3, no. 4 (November 30, 2020): 209-215. Accessed April 29, 2024. http://jptk.ppj.unp.ac.id/index.php/jptk/article/view/148.