Lanny Catrin Dale, Lidya Natalia Sartono, Iramdan. Design and Implementation of an Attendance System Using MFRC522 RFID Cards Based on Arduino Uno and XAMPP for Jakarta International Polytechnic . MJSIS [Internet]. 2026 Mar. 30 [cited 2026 May 12];3(1):189-97. Available from: https://journalwbl.com/index.php/mjsis/article/view/574