Uthaisri, Nongnuch, Manat Boonprakob, and Ungsinun Intarakamhang. 2012. “A Synthesis of Thesis on Child-Centered Teaching Behaviors Research Summary”. The Journal of Behavioral Science 2 (1):1-10. https://so06.tci-thaijo.org/index.php/IJBS/article/view/2142.