ENİSOGLU, Didem, and Mine ISİKSAL-BOSTAN. “IDENTIFYING STUDENTS’ POSSIBLE SOLUTION STRATEGIES WHILE SOLVING QUESTIONS REGARDING THE CONCEPT OF MEAN”. The Eurasia Proceedings of Educational and Social Sciences, vol. 6, Aug. 2017, pp. 24-30, https://epess.net/index.php/epess/article/view/310.