ARSHAD, Nur Amalina. Smart Attendance System for Covid-19 Social Distancing. Progress in Engineering Application and Technology, [S. l.], v. 3, n. 2, p. 341–353, 2022. Disponível em: https://publisher.uthm.edu.my/periodicals/index.php/peat/article/view/6382.. Acesso em: 18 jul. 2024.