Naluerit, W., W. . Yonwilad, and . P. . Khansila. “Design and Development of Educational Board Games Based on the Flow Theory to Enhance Mathematical Literacy on Addition and Subtraction for Grade 2 Students”. Journal of Graduate MCU KhonKaen Campus, vol. 12, no. 1, Mar. 2025, pp. 16-36, https://so02.tci-thaijo.org/index.php/jg-mcukk/article/view/276923.