Thongkamkaew, Apiratda, and Chatchaya Rodrahong. “Competence Promotion of Teacher by Professional Learning Community on Language and Literacy for Early Childhood in Schools under Sonngkhla City Munipality”. Journal of Education Studies 48, no. 4 (December 30, 2020): 352–368. Accessed May 4, 2024. https://so02.tci-thaijo.org/index.php/EDUCU/article/view/246452.