Khamlek, Wanida, and Pasuda Pakapol. “The Development of Learning Achievement in Mathematics on Pictograph Charts for Grade 2 Students Through Learning Management Using Educational Games”. Journal for Developing the Social and Community 13, no. 3 (September 22, 2026): 521–538. accessed September 23, 2026. https://so03.tci-thaijo.org/index.php/rdirmu/article/view/304545.