Marnnoi J, Marnin P, Wongsaman S, Darachai M. The Effects of Cooperative Learning Activities on Self-Directed Learning in Early Secondary Education Students. AMJ [internet]. 2025 Oct. 30 [cited 2026 Aug. 27];9(5):318-31. available from: https://so02.tci-thaijo.org/index.php/jam/article/view/281294