[1]
J. Yawichai, V. Pothasin, and A. Chanpan, “The Using KWDL Technique and Bar Model to Development on Mathematical Problem Solving Ability in Addition and Subtraction for Prathom Suksa 3 Students, Watjedyod School”, JMHR, vol. 10, no. 2, pp. 122–136, Jun. 2026.