Ullah Khan, Rehman, Vivian Chua Yee Wee, Valentina Wong Sze Lui, Much. Inam UlHaq, Yahya Khan, and Mohd Hardyman Barawi. 2018. “Mobile Barcode Based Examination Attendance System”. International Journal of Engineering & Technology 7 (3.22): 49-54. https://doi.org/10.14419/ijet.v7i3.22.17124.