Jarudin, Prajka Ahmad Raihan, Rahmat Tullah, M. Ramaddan Julianti, Syaipul Ramdhan, M. Fitriansyah AK, and Sarah Fazilla. 2024. “IoT-Based Biometric Attendance System Using Arduino and ThingsBoard”. International Journal of Communication Networks and Information Security (IJCNIS) 15 (4):103-17. https://doi.org/10.17762/ijcnis.v15i4.6374.