Thongmak, S. and Khamthoon, P. (2023) “Effect of Learning Management in Physical Education Using Cooperative Learning Approach on Learning Achievement in Volleyball of Grade 9 Students”, Rajapark Journal. Bangkok, Thailand, 17(54), pp. 252–265. Available at: https://so05.tci-thaijo.org/index.php/RJPJ/article/view/265545 (Accessed: 20 May 2024).