1. Adamopoulos, P. (2013, December). What Makes a Great MOOC? An Interdisciplinary Analysis of Student Retention in Online Courses. In Kerr (Presidencia). Thirty Fourth International Conference on Information Systems, 1–21.Milan, Italy. Retrieved from http://pages.stern.nyu.edu/~padamopo/What%20makes%20a%20great%20MOOC.pdf
2. An, Y., Zhu, M., Bonk, C. J., & Lin, L. (2021). Exploring instructors’ perspectives, practices, and perceived support needs and barriers related to the gamification of MOOCs. Journal of Computing in Higher Education, 33, 64-84.
3. Aparicio, M., Oliveira, T., Bacao, F., & Painho, M. (2019). Gamification: A key determinant of massive open online course (mooc) success. Information & Management, 56(1), 39–54. https://doi.org/10. 1016/j.im.2018.06.003
4. Carey, K. (2012). Into the future with MOOCs. The Chronicle of Higher Education, 59(2),29. Retrieved from https://www.chronicle.com/article/Into-the-Future-With-MOOCs/134080
5. Chang, J. W., & Wei, H. Y. (2016). Exploring Engaging Gamification Mechanics in Massive Online Open Courses. Journal of Educational Technology & Society, 19(2), 177-203. Retrieved from https://pdfs.semanticscholar.org/ef01/ff537aa010df51aea60733cab6a6a55399ee.pdf