Parra, Gerby, and Emily Tan. “Teachers’ Physical Activity: A Necessity for Stability of Schools’ Culture During the COVID-19 Pandemic”. International Journal for Innovation Education and Research 9, no. 4 (April 1, 2021): 183–191. Accessed May 6, 2024. https://scholarsjournal.net/index.php/ijier/article/view/3039.