“IMPLEMENTASI QUICK RESPONSE (QR) CODE PADA APLIKASI VALIDASI DOKUMEN MENGGUNAKAN PERANCANGAN UNIFIED MODELLING LANGUAGE (UML)”. Antivirus : Jurnal Ilmiah Teknik Informatika 10, no. 1 (May 23, 2016). Accessed February 3, 2026. https://ejournal.unisbablitar.ac.id/index.php/antivirus/article/view/87.