Juniardi, M. Sofyan Bahrum, Mahmud Imrona, and Putu Harry Gunawan. “Monitoring the Number of Vehicles on Highway Using Frame Difference Method”. Indonesian Journal on Computing (Indo-JC) 3, no. 1 (May 23, 2018): 15-22. Accessed April 19, 2021. https://socj.telkomuniversity.ac.id/ojs/index.php/indojc/article/view/202.