WASET
    Chimaobi Valentine Okolo and  Chizoba Obidigbo,  Food Security in Nigeria: An Examination of Food Availability and Accessibility in Nigeria.   journal   = {International Journal of Economics and Management Engineering}, [online]. World Academy of Science, Engineering and Technology.
    August 2015, vol. 105(9). 3171 - 3179
    [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/10002471.