Taş, E., S. Gülen, Z. Öner, and C. Özyürek. “The Effects of Classic and Web-Designed Conceptual Change Texts on the Subject of Water Chemistry”. International Electronic Journal of Elementary Education, vol. 7, no. 2, Aug. 2017, pp. 263-80, https://iejee.com/index.php/IEJEE/article/view/79.