Samian, H., M. Ahmad Azraai, M. R. Abdul Rani, and A. . Ab Rahman. “Face Mask Wearing Detection for Entrance Authorization”. Research and Innovation in Technical and Vocational Education and Training, vol. 2, no. 2, Oct. 2022, pp. 257-68, https://publisher.uthm.edu.my/periodicals/index.php/ritvet/article/view/7154.