A. Saleem, Firas, and فراس. “The Impact of Using Gaining Classification Strategy in Acquiring Some Basic Skills of Volleyball”. Al-Rafidain Journal For Sport Sciences (RJSS) 12, no. 41 (June 24, 2025): 278–296. Accessed August 4, 2025. https://ojs.uomosul.edu.iq/index.php/rjss/article/view/10756.