Boonrawd S. Model of Teachers Developing by using the Process of Professional Learning Community in Secondary Schools Supervisory District 18. Humanities and Social Sciences Journal of Pibulsongkram Rajabhat University [internet]. 2023 Mar. 10 [cited 2026 Sep. 4];17(1):56-72. available from: https://so01.tci-thaijo.org/index.php/GraduatePSRU/article/view/260844