Pawang, Suwimol, and Sumalee Chookhampaeng. 2020. “THE DEVELOPMENT OF THE COMPETENCY IN COLLABORATIVE PROBLEM SOLVING BY USING LEARNING MANAGEMENT THROUGH DEEPER SCAFFOLDING FRAMEWORK OF MATHAYOMSUKSA 4 STUDENT”. Journal of MCU Nakhondhat 7 (9). Nakhon Si Thammarat, Thailand:175-92. https://so03.tci-thaijo.org/index.php/JMND/article/view/246735.