Sukoco, L. P., Aravy, M. A. H., Banna, N. H. A., & Winesti, F. A. (2026). Development of Regulatory Recommendations for City Bus Bumper Bars through Design and Analysis Based on Standard 67 Pa. Code § 171.44. Piston: Journal of Technical Engineering, 9(2), 102–111. Retrieved from https://openjournal.unpam.ac.id/index.php/Piston/article/view/56539