DOGAN COSKUN, Sumeyra, and Nadide YILMAZ. “Examination of the Sixth-Grade Students’ Performances in Graphical Languages”. The Eurasia Proceedings of Educational and Social Sciences 14 (September 20, 2019): 41–46. Accessed December 22, 2024. https://epess.net/index.php/epess/article/view/532.