Wijayanto, Adhi, Tommy Soentoyo, and Sri Sumartiningsih. “A The Effectiveness of Engklek and Zig-Zag Game Exercises on the Static and Dynamic Balance of Intellectually Impaired Children”. Journal of Physical Education and Sports 12, no. 1 (March 30, 2023): 30-34. Accessed July 18, 2024. https://journal.unnes.ac.id/sju/jpes/article/view/75127.