MEENAKSHI THALOR. IoT-Based Smart Billing System using RFID and Mobile Application. International Journal of Intelligent Systems and Applications in Engineering, [S. l.], v. 12, n. 4, p. 3145–3148, 2024. Disponível em: https://www.ijisae.org/index.php/IJISAE/article/view/6807. Acesso em: 2 oct. 2025.