Pharnkoon, P., P. Sriwisut, and R. S. Tengku Sulaiman. “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, vol. 15, no. 1, Dec. 2022, pp. 165-76, https://he02.tci-thaijo.org/index.php/TNSUJournal/article/view/255625.