“The Running and Jumping Game Model Is Effective in Improving Physical Motor Disorders in Children With Mentally Retarded”. Jurnal SPORTIF : Jurnal Penelitian Pembelajaran 10, no. 2 (August 31, 2024): 189–201. Accessed April 1, 2025. https://ojs.unpkediri.ac.id/index.php/pjk/article/view/23108.