Mahmoud Ali Al-Khokhi F, فراس. Constructing a Sport Frustration Scale for the Advanced Players of Mosul City Clubs. RJSS [Internet]. 2025 Jun. 24 [cited 2025 Aug. 4];19(60):261-92. Available from: https://ojs.uomosul.edu.iq/index.php/rjss/article/view/10929