Sarwoko, Sarwoko, Titik Anggraeni, and Ahmad Syamsul Bahri. “Physical Activities and Sleeping Habits in Children and Adolescent During Pandemic Covid-19: A Systematic Review”. Journal of Maternal and Child Health 6, no. 2 (March 16, 2021): 154–164. Accessed November 22, 2024. https://thejmch.com/index.php/thejmch/article/view/565.