Se, Nuttakan, and Montree Wongsapan. “DEVELOPMENT OF MATHEMATICS LEARNING ACHIEVEMENT AND MATHEMATICAL CONNECTION ABILITY OF MATAYOMSUKSA 5 STUDENTS BY USING PROBLEM – BASED LEARNING MANAGEMENT”. Journal of MCU Nakhondhat 7, no. 8 (August 27, 2020): 104–119. accessed September 4, 2026. https://so03.tci-thaijo.org/index.php/JMND/article/view/246264.