Adnan Mohammed Ameen, Ban, et al. “Psychological Hesitation and Willpower and Their Relationship With the Performance of the Kinematic Chain of the Parallel Apparatus of Different Height for Third Stage Students in the College of Physical Education and Sports Science, University of Baghdad”. International Journal of Psychosocial Rehabilitation, vol. 24, no. 5, July 2020, pp. 8161-73, https://doi.org/10.61841/ze2wd370.