Jasim, Durgham, and ضرغام. “Constructing a Scale for the Evaluation of the Efficiency of Sport Coalesces”. Al-Rafidain Journal For Sport Sciences (RJSS) 13, no. 43 (January 1, 2007): 156–184. Accessed September 27, 2025. https://jwups.uomosul.edu.iq/index.php/rjss/article/view/36273.