Nuansanong ก, Laksana ก. THE RESULTS OF GPAS 5 STEPS LEARNING PROCESS WITH BOARD GAMES ON LEARNING ACHIEVEMENT ON TWO- AND THREE- DIMENSIONAL GEOMETRIC FIGURE OF MATHAYOMSUKSA 1 STUDENTS AT NAKHONNAYOK WITTHAYAKHOM SCHOOL. Integr. Soc. Sci. J. [Internet]. 2024 Dec. 31 [cited 2026 Nov. 10];4(12):1-15. Available from: https://ojs.mbuslc.ac.th/index.php/issj/article/view/294