Arduino-Based RFID Door Lock Security System with Piezo Electric Sensor and GSM Module for Venezia Townhomes in Sta. Maria, Bulacan: Vol.3, No.1A. (2024). Ascendens Asia Singapore – Bestlink College of the Philippines Journal of Multidisciplinary Research, 3(1A). https://ojs.aaresearchindex.com/index.php/aasgbcpjmra/article/view/12760