Syaiful, Syaiful, Renea Shinta Aminda, and Yuggo Afrianto. “Influence Motor Cycle Density on Noise Sound at the Highway”. ASTONJADRO 12, no. 1 (January 10, 2023): 304–313. Accessed November 15, 2024. http://150.107.142.43/index.php/ASTONJADRO/article/view/8782.