“DESIGN OF A WEB-BASED POSYANDU DATA MANAGEMENT APPLICATION WITH QR CODE SCANNING FOR PATIENT DATA IDENTIFICATION”. Antivirus : Jurnal Ilmiah Teknik Informatika 19, no. 2 (December 15, 2025): 289–304. Accessed January 8, 2026. https://ejournal.unisbablitar.ac.id/index.php/antivirus/article/view/4943.