Khuleesap P, Wannupatam B, Triwiset B. The Outcomes of Learning Management on Economics Using the CO-5 STEPs Learning Process Integrated with Gamification Techniques for Matthayomsueksa 2 Students: The Outcomes of Learning Management on Economics Using the CO-5 STEPs Learning Process Integrated with Gamification Techniques for Matthayomsueksa 2 Students. rtnb [internet]. 2025 Dec. 31 [cited 2026 Sep. 30];7(3):69-82. available from: https://so07.tci-thaijo.org/index.php/rtnb/article/view/8951