บุญจูง อ, เอกะกุล ธ. The Operation for the Development of Mathematical Reasoning Ability through the K-W-D-L Technique for Prathomsuksa Six Students (Grade Six) of Ban Nongwang (Sowannee wittayacom)School Attached to Sisaket Primary Educational Service Area Office One. ubonreseva [internet]. 2021 Aug. 27 [cited 2026 Oct. 3];4(1):71-8. available from: https://so06.tci-thaijo.org/index.php/ubonreseva/article/view/250966