Thaisomboon, N. ., Ngamkanok, S., & Panhoon, S. (2019). A Development of Early Childhood Teacher’s Competency Indicators in the 21st Century Schools at Five Southern Border Provinces. Thai Journal of East Asian Studies, 23(2), 194–210. Retrieved from https://so02.tci-thaijo.org/index.php/easttu/article/view/241344