V. Boonsong and A. Rungkul, “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”, RJGE, vol. 6, no. 2, pp. 44–57, Aug. 2026.