THANAJIRALERTKUL, Doltada, Witid MITRANUN, and Phichayavee PANURUSHTHANON. “THE EFFECT OF EXERCISE WITH PERSONAL TRAINER IN FITNESS ONLINE ON HEALTH-RELATED FITNESS”. Journal of Sports Science and Technology 21, no. 2 (December 25, 2021): 100–109. accessed April 27, 2025. https://he01.tci-thaijo.org/index.php/JSST/article/view/250645.