Pharnkoon, Phongphat, Panu Sriwisut, and Raja Syed Tengku Sulaiman. 2022. “EFFECTS OF PHYSICAL ACTIVITY ON BODY MASS INDEX OF GRADE 6 STUDENTS UNDER THE OFFICE OF THE PRIVATE EDUCATION PROMOTION KRABI”. Academic Journal of Thailand National Sports University 15 (1). Chonburi, Thailand:165-76. https://he02.tci-thaijo.org/index.php/TNSUJournal/article/view/255625.