Erlina, Tati. “Real-Time Product Availability Information With Passive NFC Tag System for Offline Shops”. Komputika : Jurnal Sistem Komputer 13, no. 1 (December 30, 2023): 1-9. Accessed May 20, 2024. https://ojs.unikom.ac.id/index.php/komputika/article/view/9810.