WASET
    A. Beheshti and  S. Salkhordeh and  H. Amini,  Studying the Causes and Affecting Factors of Motorcycle Accidents A Case Study on the Road Accidents in Zanjan Province (IRAN) - 2007.   journal   = {International Journal of Humanities and Social Sciences}, [online]. World Academy of Science, Engineering and Technology.
    June 2009, vol. 30(6). 655 - 660
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/10557.