Assmer, MohammedAL-Hayane, and Aqeel Hashim. “Effect of Using Constructional Preliminary and Compound Exercises in Learning Technical Performance by Difficult Parts Style in Shot-Put Activity”. Al-Rafidain Journal For Sport Sciences 14, no. 47 (April 1, 2008): 173–201. Accessed October 2, 2025. https://rsprs.uomosul.edu.iq/index.php/rsprs/article/view/50405.