Wardianto, Gatot, Furqon Hidayatullah, and Sri Santoso Sabarini. “Playground Management on Physical Activity Children and Adolescents”. International Journal of Social Science Research and Review 6, no. 12 (December 6, 2023): 155-160. Accessed November 22, 2024. https://ijssrr.com/journal/article/view/1811.