Ismaeel, Huada, and Khmael Auad. “Evaluation of Learning the Performance of Some Basic Volleyball Skills According to Cognitive Risk Style Among Students Aged 14 Years”. Journal of Physical Education 31, no. 3 (September 28, 2019): 1–4. Accessed May 2, 2024. https://jcope.uobaghdad.edu.iq/index.php/jcope/article/view/852.