Thongklang, Saranuwat, and Wasana Keeratichamroen. 2025. “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 19 (2):297-311. https://doi.org/10.14456/psruhss.2025.20.