บุรีพันธ์ ภ, อักษรวงศ์ ร. Effect of Problem-Based Learning on Mathematical Reasoning Abilities of Mathayom Suksa 3 Students. ubonreseva [internet]. 2021 Aug. 27 [cited 2026 Oct. 3];4(1):22-3. available from: https://so06.tci-thaijo.org/index.php/ubonreseva/article/view/250960