K. Asmer M, محمد. The effect of using learning program according to the changing of scheduling practice (massed-distributed) in learning front hand spring skill on vault apparatus in Gymnastic. RJSS [Internet]. 2025 Jun. 24 [cited 2025 Aug. 4];19(61):101-23. Available from: https://ojs.uomosul.edu.iq/index.php/rjss/article/view/11396