WASET
    I. Derek Kaka’an and  P. Smolianov and  D. Koh Choon Lian and  S. Dion and  C. Schoen and  J. Norberg,  Nigerian Football System: Examining Meso-Level Practices against a Global Model for Integrated Development of Mass and Elite Sport.   journal   = {International Journal of Sport and Health Sciences}, [online]. World Academy of Science, Engineering and Technology.
    August 2019, vol. 153(9). 1264 - 1271
    [viewed 28 March 2024]. Available from: https://publications.waset.org/pdf/10010772.