Mustafa Bin Yusof and  Mohammad Amirul Affiz Bin Afripin,  Effect of Mass on Bus Superstructure Strength Having Rollover Crash.   journal   = {International Journal of Mechanical and Mechatronics Engineering}, [online]. World Academy of Science, Engineering and Technology.
    August 2012, vol. 68(8). 1639 - 1645
    [viewed 09 May 2024]. Available from: https://publications.waset.org/pdf/2770.