Assmar, Mohammed. “Effect of Using Mental Training Accompanied With the Random Scheduling Practice in Developing Some Basic Skills for Goal Keepers in Football”. Al-Rafidain Journal For Sport Sciences 16, no. 54 (August 1, 2010): 30–52. Accessed November 17, 2025. https://rsprs.uomosul.edu.iq/index.php/rsprs/article/view/50832.