Lufthansa L, Anangga Widya Pradipta, Ary Artanty, Antonius Prasetyo Hadi. The Effect of the Play Approach on Learning Athletic Running Numbers for the Mentally Impaired. Jurnal Speed [Internet]. 2023Nov.30 [cited 2024May17];6(2):148-55. Available from: https://journal.unsika.ac.id/index.php/speed/article/view/10059