Srikongkham A, Suikraduang S. The Development of Case-Based Learning Activities on Democratic Citizenship for Matthayomsuksa 4 Students. JDSC [internet]. 2024 Aug. 15 [cited 2026 Aug. 27];11(2):169-82. available from: https://so03.tci-thaijo.org/index.php/rdirmu/article/view/276706