Promthongdee, C. “The Study of Relationship Between Body Mass Index (BMI) and Physical Fitness of Undergraduate Students, Princess Naradhiwas University: -”. Princess of Naradhiwas University Journal of Humanities and Social Sciences, vol. 7, no. 1, Sept. 2019, pp. 143-5, https://so05.tci-thaijo.org/index.php/pnuhuso/article/view/209026.