سالم محمد على موسى 2020. The effect of the Employ of Polomer Trainings on some Physical Capabilities, and The Performance Level of Some Basic Skills of Teen – Agers of Football, who are aged Between 13 years Up To 15 years. Journal of Human Sciences. 18, 1 (Jul. 2020). DOI:https://doi.org/10.51984/johs.v18i1.660.