Urhan, S., N. S. Yuksel, and S. A. Kocadere. “The Evaluation of Technology-Based Course Materials Developed by Mathematics Teachers”. 2018. New Trends and Issues Proceedings on Humanities and Social Sciences, vol. 4, no. 9, Nov. 2017, pp. 56-65, doi:10.18844/prosoc.v4i9.3042.