Noppharat P, Bunprakarn K, Tassaro C. DEVELOPMENT OF MATHEMATICS LEARNING ACHIEVEMENT IN SOLVING MIXED ADDITION, SUBTRACTION, MULTIPLICATION, AND DIVISION WORD PROBLEMS THROUGH LEARNING MANAGEMENT USING THE KWDL TECHNIQUE COMBINED WITH BOARD GAMES FOR FOURTH-YEAR PRIMARY SCHOOL STUDENTS. JSC [internet]. 2026 Jun. 25 [cited 2026 Sep. 1];10(7):94-106. available from: https://so06.tci-thaijo.org/index.php/JSC/article/view/294858