“The Effect of Jacobson’s Progressive Muscle Relaxation Method On The Competitive Anxiety Level Of Jordanian Muay Thai Athletes”. International Journal of Psychosocial Rehabilitation 28, no. 2 (April 30, 2024): 12–17. Accessed September 27, 2024. http://65.2.176.223/psychosocial/index.php/ijpr/article/view/14.