Surasit Kudna และ Kulthida Tuamsuk. (2018) Professional learning community of Secondary Mathematic Teachers. <i>Journal of Information Science</i>, <i>36</i>(4), 59-84.Surasit Kudna และ Kulthida Tuamsuk. "Professional learning community of Secondary Mathematic Teachers". Journal of Information Science 36 (2018):59-84.Surasit Kudna และ Kulthida Tuamsuk. Professional learning community of Secondary Mathematic Teachers. Klungnana Vitthaya Press:ม.ป.ท. 2018.