Thongmak, Sunisa, and Puntasiri Khamthoon. 2023. “Effect of Learning Management in Physical Education Using Cooperative Learning Approach on Learning Achievement in Volleyball of Grade 9 Students”. Rajapark Journal 17 (54). Bangkok, Thailand:252-65. https://so05.tci-thaijo.org/index.php/RJPJ/article/view/265545.