Wala A. Bagunaid and Maram Meccawy and Arwa Allinjawi and Zilal Meccawy, The Impact of Gamification on Self-Assessment for English Language Learners in Saudi Arabia. journal = {International Journal of Educational and Pedagogical Sciences}, [online]. World Academy of Science, Engineering and Technology. January 2019, vol. 146(2). 129 - 134 [viewed 19 September 2024]. Available from: https://publications.waset.org/pdf/10009994.