Wongnam T, Sittiwong T, Namoungon S. DEVELOPMENT FLIPPED CLASSROOM INSTRUCTIONAL PACKAGE WITH FLEXIBLE LEARNING TO PROMOTE INFORMATION AND COMMUNICATION TECHNOLOGY SKILLS FOR UNDERGRADUATE. JEI [Internet]. 2019 Apr. 29 [cited 2024 Apr. 20];22(2):98-112. Available from: https://so06.tci-thaijo.org/index.php/edujournal_nu/article/view/176309