Agus, Pradhana, and Oriza Candra. “Sistem Keamanan Parkiran Menggunakan QR-Code Dan Output Suara Berbasis IoT (Internet Of Things)”. JTEIN: Jurnal Teknik Elektro Indonesia 4, no. 2 (November 9, 2023): 1049-1056. Accessed January 31, 2025. http://jtein.ppj.unp.ac.id/index.php/JTEIN/article/view/561.