Jantawong S, Teemueangsa S, kiakana U. Blended Learning by Using Polya’s Process to improve Mathematics Problems Solving for Phathomseuksa 5 Students, Anuban Thasapol Suksa School. edurmu [internet]. 2022 Aug. 25 [cited 2026 Sep. 2];19(2):52-64. available from: https://so06.tci-thaijo.org/index.php/edu-rmu/article/view/258602