Okwong, Okon Emmanuel, and Salokun Samuel Oluwadare. 2019. “Mental Toughness As Correlate of Athletes` Performance in Track And Field Events Among Secondary Schools in Osun State, Nigeria”. The International Journal of Humanities & Social Studies 7 (11). https://doi.org/10.24940/theijhss/2019/v7/i11/HS1807-081.