Nittayasuk, M., T. Boonyalongkorn, and S. Tingsabhat. “EFFECTS OF PHYSICAL EDUCATION LEARNING MANAGEMENT ON LEAD - UP GAMES ON MOTOR FITNESS OF PRIMARY STUDENTS”. Academic Journal of Thailand National Sports University, vol. 15, no. 1, Dec. 2022, pp. 219-34, https://he02.tci-thaijo.org/index.php/TNSUJournal/article/view/251144.