Leepongkul, J., Jansrisukot, J. and Wanpen, S. 2025. THE EFFECTS OF AN INSTRUCTIONAL MODEL USING CONSTRUCTIVISM AND FLIPPED CLASSROOM APPROACH TO ENHANCE DIGITAL INTELLIGENCE QUOTIENT OF SIXTH-GRADE STUDENTS. Journal of Liberal Art of Rajamangala University of Technology Suvarnabhumi. 7, 3 (Dec. 2025), 289–301.