Arsyistawa, Arsyistawa, and Faizal Ananda. “Overview of the Function of Traffic Signs and Markers in Bengkalis City to the Level of Understanding of the Community: A Case Study of Urban Roads in Bengkalis District”. Nusantara Civil Engineering Journal 2, no. 2 (October 8, 2023): 104-116. Accessed December 23, 2024. http://ojs.poltekba.ac.id/ojs/index.php/nuce/article/view/489.