Piboon, Kanchana, Chingchai Methaphat, Dhummawat Ouppawongsapat, Kasem Chaiklongkit, Petcharat Arunrat, and Nattapol Sukthong. “ Predicting Factors of Physical Activity Among University Students, Thailand”. The Bangkok Medical Journal 16, no. 1 (February 25, 2020): 33. Accessed October 20, 2021. https://he02.tci-thaijo.org/index.php/bkkmedj/article/view/239975.