Ismail, Zarina, and Mohd Fairus Adzha Zakaria. 2021. “Display/Scoreboard/Using/LED/Dot/Matrix”. Politeknik & Kolej Komuniti Journal of Engineering and Technology 6 (1). Putrajaya, Malaysia:111-20. https://app.mypolycc.edu.my/journal/PMJET/article/view/238.