Cao, Hung-Phi, Thanh-Dong Nguyen, and Huu-Danh Tran. “A Research on the Effect of Velocity and Road Type on the Ride Smoothness of 16-Seat Passenger Buses Using a Mechanical Suspension System”. Engineering, Technology & Applied Science Research 16, no. 1 (February 9, 2026): 32485–32491. Accessed June 10, 2026. https://etasr.com/index.php/ETASR/article/view/13796.