Åhman, Sebastian, Jonny Nguyen, Naghmeh Aghaee, and Kevin Fuchs. “Student Response Systems in a Technology Enhanced Flipped Classroom: A Qualitative Investigation in Higher Education”. International Journal of Learning, Teaching and Educational Research 20, no. 9 (September 30, 2021): 86–101. Accessed April 19, 2026. http://ijlter.net/index.php/ijlter/article/view/25.