Gunawan, Talitha, and Rini Sekartini. “Physical Activity Levels and Sleep Disturbances in Indonesian Primary School Students During the COVID-19 Pandemic”. Paediatrica Indonesiana 64, no. 2 (April 2, 2024): 106-12. Accessed May 19, 2024. https://paediatricaindonesiana.org/index.php/paediatrica-indonesiana/article/view/3341.