S. Ibrahim, Hussein, حسين, Thaair A. Ogisteen, and ثائر. “Establishing Grades and Standard Levels of Some Track and Field for Freshmen Students”. Al-Rafidain Journal For Sport Sciences (RJSS) 15, no. 51 (January 1, 2009): 94–121. Accessed September 27, 2025. https://jamh.uomosul.edu.iq/index.php/rjss/article/view/36201.