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 Innovations in Computing and Technology, [S. l.], v. 1, n. 1, p. 21–36, 2026. Disponível em: https://journal.arfadigitech.com/nict/article/view/87. Acesso em: 5 feb. 2026.