Ali Ehsan, Ammar, and Zaid abd-Alsattar hamed. 2014. “An Analytical Study in Some Bio-Kinematical Variables for Take-off Phases and Their Relationship With the Achievement in the Triple Jump Activity”. Al-Rafidain Journal For Sport Sciences 20 (65):73-93. https://doi.org/10.33899/rajsport.2014.89573.