WASET
    Shin-Hyung Cho and  Dong-Kyu Kim and  Seung-Young Kho,  Latent Factors of Severity in Truck-Involved and Non-Truck-Involved Crashes on Freeways.   journal   = {International Journal of Transport and Vehicle Engineering}, [online]. World Academy of Science, Engineering and Technology.
    June 2017, vol. 127(7). 920 - 927
    [viewed 19 April 2024]. Available from: https://publications.waset.org/pdf/10007532.