สังข์แก้ว บ., & ผูกพันธ์ุ พ. (2018). The Status and Approach to Early Childhood Education Policy Development for Children of Ethnic Groups: The Case study of Mae Sot District, Tak Province. Journal of Social Development and Management Strategy, 20(1), 17–40. Retrieved from https://so04.tci-thaijo.org/index.php/jsd/article/view/117712