อ่อนสีทา แก้วใจ. 2015. “Comparisons of Learning Achievement, and Reasoning Thinking of Mathayomsueksa 1 Entitled ‘Thai’s Public Duties’ Between Role-Play and Using 4 MAT Learning Activities”. RMUTI Journal Humanities and Social Sciences 2 (1):11-20. https://so05.tci-thaijo.org/index.php/RMUTI_SS/article/view/195874.