Sutamma M, Ruangmontri K. Guideline for Internal Supervision by using Professional Learning Community for Schools under Primary Education Service Area Office Mahasarakham 2. jg-mcukk [internet]. 2026 Mar. 26 [cited 2026 Sep. 1];13(1):247-59. available from: https://so02.tci-thaijo.org/index.php/jg-mcukk/article/view/281227