Chawla, Nattapon, and Thaksaphon Thamarangsi. “Effectiveness of School Built Environment on Physical Activity in Children: A Systematic Review”. Journal of Health Science of Thailand 23, no. 4 (November 29, 2017): 739–752. Accessed July 18, 2024. https://thaidj.org/index.php/JHS/article/view/742.