Sangthong S, Wongsaphan M. DEVELOPMENT OF PROBLEM – SOLVING ABILITY IN MATHEMATICAL FOR MATHAYOMSUKSA 4, USING INQUIRY BASED LEARNING AND COOPERATIVE PROBLEM SOLVING LEARNING PACKAGE PROBABILITY. JMND [Internet]. 2020 Sep. 21 [cited 2024 Apr. 20];7(9):221-35. Available from: https://so03.tci-thaijo.org/index.php/JMND/article/view/246738