Jarudin, Prajka Ahmad Raihan, Rahmat Tullah, M. Ramaddan Julianti, Syaipul Ramdhan, M. Fitriansyah AK, and Sarah Fazilla. “IoT-Based Biometric Attendance System Using Arduino and ThingsBoard”. International Journal of Communication Networks and Information Security (IJCNIS) 15, no. 4 (January 30, 2024): 103–117. Accessed July 22, 2024. https://ijcnis.org/index.php/ijcnis/article/view/6374.