H. Daniel Raj, and M. S. Xavier Pradheep Singh. “Gamified Student Response Systems for ESL Classrooms: An Analysis”. Journal of English Language Teaching 65, no. 6 (November 1, 2023): 25–37. Accessed September 8, 2024. https://journals.eltai.in/index.php/jelt/article/view/JELT650606.