ALANI, ABDULRAHMAN MAJEED, and Wasan Jasem. “The Effect of Problem Solving Style According to Positive Motivation On The Performance of Volleyball Skills In Preparatory Schools Students ”. Journal of Physical Education 35, no. 3 (September 28, 2023): 740–756. Accessed July 6, 2026. https://www.jcope.uobaghdad.edu.iq/index.php/jcope/article/view/1491.