1.
Rueangphankun T. SOLVING PROBLEMS OF MATHEMATICS LEARNING ON PERCENTAGES AND RATIOS BY USING SKILL - BUILDING EXERCISES FOR PRATHOM 6 STUDENTS AT THANASITANUSORN SCHOOL. JMND [internet]. 2023 Sep. 26 [cited 2025 Dec. 6];10(9):137-44. available from: https://so03.tci-thaijo.org/index.php/JMND/article/view/272024