WASET
    Popoola M. O. and  Abiola S. O. and  Adeniji W. A.,  Traffic Congestion on Highways in Nigeria Causes, Effects and Remedies.   journal   = {International Journal of Civil and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology.
    October 2013, vol. 83(11). 858 - 863
    [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/17391.