O. B. Ajayi-Vincent Ph.D, J. A. Olanipekun Ph.D. “Athletes’ Sports Interest As Correlate Of Utilization Of Doping Substances In Nigeria”. International Journal of Social Sciences and Humanities Invention 3, no. 6 (June 9, 2016). Accessed April 18, 2024. http://valleyinternational.net/index.php/theijsshi/article/view/429.