“Design of an IoT Server-Based Attendance System Integrated with an Application Using a Rule-Based Algorithm in the Public Works Department of Medan”, NextGen Innov. Comput. Technol., vol. 1, no. 1, pp. 21–36, Jan. 2026, Accessed: Feb. 05, 2026. [Online]. Available: https://journal.arfadigitech.com/nict/article/view/87