Boonsong, V. and Rungkul, A. 2026. THE DEVELOPMENT AND EFFECTIVENESS STUDY OF A GAMIFIED CASE-BASED LEARNING MODEL (GCBL) USING BOARD GAMES AND QUIZIZZ TO ENHANCE LEGAL REASONING SKILLS OF GRADE 9 STUDENTS. MBU Roi Et Journal of Global Education Review. 6, 2 (Aug. 2026), 44–57.