Halil Bisgin. “The Impact of Virtual Physical Education on Physical Activity and the Reduction of Sedentary of Elementary Students in the Covid-19 Era”. Pakistan Journal of Medical & Health Sciences 16, no. 02 (April 5, 2022): 825. Accessed July 27, 2024. https://pjmhsonline.com/index.php/pjmhs/article/view/307.