Singhasuriya P, Khechornphak T, Janghan S. Development of Situation-Based Learning Activities in Guidance Courses to Promote Problem-Solving Abilities of Mathayom 4 Students . IARJ [internet]. 2026 Mar. 22 [cited 2026 Sep. 11];6(2):e287505. available from: https://so03.tci-thaijo.org/index.php/IARJ/article/view/287505