Srijandee, T. . (2022) “THE DEVELOPMENT OF MATHEMATICS LEARNING ACTIVITIES ON LINEAR EQUATION BASED ON CONSTRUCTIVIST THEORY SUPPLEMENTED BY POYA’S PROBLEM SOLVING PRACTICE FOR MATHAYOMSUKSA 1 STUDENTS”, Journal of MCU Nakhondhat. Nakhon Si Thammarat, Thailand, 9(9), pp. 328–338. Available at: https://so03.tci-thaijo.org/index.php/JMND/article/view/263910 (Accessed: 21 May 2024).