Pawang S, Chookhampaeng S. THE DEVELOPMENT OF THE COMPETENCY IN COLLABORATIVE PROBLEM SOLVING BY USING LEARNING MANAGEMENT THROUGH DEEPER SCAFFOLDING FRAMEWORK OF MATHAYOMSUKSA 4 STUDENT. JMND [internet]. 2020 Sep. 21 [cited 2025 Apr. 11];7(9):175-92. available from: https://so03.tci-thaijo.org/index.php/JMND/article/view/246735