Hursen, Cigdem, and Funda Gezer Fasli. “The Impact of Reflective Teaching Applications Supported by Edmodo on Prospective Teachers’ Self-Directed Learning Skills”. International Journal of Emerging Technologies in Learning (iJET), vol. 12, no. 10, Nov. 2017, pp. pp. 21-34, doi:10.3991/ijet.v12i10.6993.