Buaraphan, K., and V. Roadrangka. “Preservice Physics Teacher’s Pathway of Pedagogical Content Knowledge Development in a Physics Methods Course: A Case Study”. Kasetsart Journal of Social Sciences, vol. 27, no. 2, Dec. 2006, pp. 339-46, https://so04.tci-thaijo.org/index.php/kjss/article/view/246416.