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: 156–184. Accessed September 17, 2025. https://ojs.uomosul.edu.iq/index.php/rjss/article/view/36273.