R. Merritt, M. ., Cleesuntorn, A. ., & Brahmakasikara, L. . (2020). A Digital Backchannel Enhanced Instructional System Targeting Agentic Engagement In Lecture-based Learning Environments. Journal of Education Studies, 48(3), 274–295. Retrieved from https://so02.tci-thaijo.org/index.php/EDUCU/article/view/245008