1. Abramenka, V. (2015). Students’ motivations and barriers to online education. [Masters Thesis, Grand Valley State University]. https://scholarworks.gvsu.edu/theses/776
2. Teacher-centered versus learner-centered teaching style.;A. K.Ahmed;Journal of Global Business Management,2013
3. The difference between the learner-centred approach and the teacher-centred approach in teaching English as a foreign language.;A. F. M.Al-Zu’be;Education Research International,2013
4. Alshamrani, M. (2019). An investigation of the advantages and disadvantages of online education [Doctoral dissertation, Auckland University of Technology].
5. Arkorful, V., & Abaidoo, N. (2015). The role of e-learning, advantages and disadvantages of its adoption in higher education. International journal of instructional technology and distance learning, 12(1), 29-42.