Prangmas S. The Development of an Integrated Internal Supervision Model to Enhance Teachers’ Competency in Active Learning Management for Improving Student Quality at Lalomwittaya School: The Development of an Integrated Internal Supervision Model to Enhance Teachers’ Competency in Active Learning Management for Improving Student Quality at Lalomwittaya School. rtnb [internet]. 2025 Dec. 31 [cited 2026 Sep. 30];7(3):97-111. available from: https://so07.tci-thaijo.org/index.php/rtnb/article/view/8952