Wangapai, K., & Buranarugsa, R. (2025). PHYSICAL FITNESS OF PRIMARY SCHOOL STUDENTS GRADE 4 – 6 IN CHIANG KHAN PATHUMMA SONGKRAW KINDERGARTEN SCHOOL UNDER THE OFFICE OF LOEI PRIMARY EDUCATION DISTRICT OFFICE 1. Academic Journal of Thailand National Sports University, 17(1), 205–216. retrieved from https://he02.tci-thaijo.org/index.php/TNSUJournal/article/view/264150