Lufthansa, L., Anangga Widya Pradipta, Ary Artanty and Antonius Prasetyo Hadi 2023. The Effect of the Play Approach on Learning Athletic Running Numbers for the Mentally Impaired. Jurnal Speed (Sport, Physical Education, Empowerment). 6, 2 (Nov. 2023), 148–155. DOI:https://doi.org/10.35706/jurnalspeed.v6i2.10059.