สิถิระบุตร ป, ภิรมจิตรผ่อง เ. Development of Prathom Suksa 3 Students’ Problem-solving Skills in Solving Multiplication and Division by Using KWDL and Bar-drawing Technique. ubonreseva [internet]. 2021 Aug. 27 [cited 2026 Oct. 3];4(1):41-9. available from: https://so06.tci-thaijo.org/index.php/ubonreseva/article/view/250962