Thongklang, S., and W. Keeratichamroen. “A Study of Learning Achievement on ‘Decimal Dilemmas’ Brain-Challenge Learning Unit and Analytical Thinking of Grade 4 Students Using Brain-Based Learning with the Think-Pair-Square Technique”. Humanities and Social Sciences Journal of Pibulsongkram Rajabhat University, vol. 19, no. 2, Dec. 2025, pp. 297-11, doi:10.14456/psruhss.2025.20.