K. P. Oyeduntan and  K. Oshinubi,  Statistical Analysis of the Impact of Maritime Transport Gross Domestic Product on Nigeria’s Economy.   journal   = {International Journal of Economics and Management Engineering}, [online]. World Academy of Science, Engineering and Technology.
    March 2024, vol. 207(3). 182 - 192
    [viewed 27 April 2024]. Available from: https://publications.waset.org/pdf/10013573.