P. Prapan, K. Kongmee, and T. . Srisiriwat, “The Development of Spatial Sense in Two-Dimensional and Three-Dimensional Geometry Content by Using Van Hiele Model with Multimedia of Mathayomsuksa 1 Students at Yothinburana School”, JESCU, vol. 52, no. 3, p. EDUCU5203007, Sep. 2024.