Giannakos, M., Chorianopoulos, K., Ronchetti, M., Szegedi, P., & Teasley, S. (2014). Video-Based Learning and Open Online Courses. International Journal of Emerging Technologies in Learning (iJET), 9(1), pp. 4–7. https://doi.org/10.3991/ijet.v9i1.3354