สังข์แก้ว บ, ผูกพันธ์ุ พ. The Status and Approach to Early Childhood Education Policy Development for Children of Ethnic Groups: The Case study of Mae Sot District, Tak Province. JSDMS [Internet]. 2018 Apr. 3 [cited 2024 May 6];20(1):17-40. Available from: https://so04.tci-thaijo.org/index.php/jsd/article/view/117712