1. Abdullah, F., & Ward, R. (2016). Developing a General Extended Technology Acceptance Model for E-Learning (GETAMEL) by analyzing commonly used external factors. Computers in Human Behavior, 56, 238–256. https://doi.org/10.1016/j.chb.2015.11.036
2. Abdullah, M. S., & Toycan, M. (2018). Analysis of the factors for the successful e-learning services adoption from education providers’ and students’ perspectives: A case study of private universities in northern Iraq. EURASIA Journal of Mathematics, Science and Technology Education, 14(3), 1097–1109.
3. Adwan, A. A., Adwan, A. A., & Smedley, J. (2013). Exploring student’s acceptance of e-learning using Technology Acceptance Model in Jordanian universities. International Journal of Education and Development Using Information and Communication Technology (IJEDICT), 9(2), 4–18.
4. Agarwal, R., Sambamurthy, V., & Stair, R. M. (2000). Research report: The evolving relationship between general and specific computer self-efficacy—An empirical assessment. Information Systems Research, 11(4), 418–430. https://doi.org/10.1287/isre.11.4.418.11876
5. Agrawal, S. (2018, April 26). 3 ways e-learning is changing the education system for the better. Entrepreneur. https://www.entrepreneur.com/article/312556.