ZEYBEK SIMSEK, Zulfiye. Pre-service Middle Grade Mathematics Teachers’ Ability to Notice: The Case of Fractions. Başkent University Journal of Education, [S.l.], v. 7, n. 2, p. 250-266, july 2020. ISSN 2148-3272. Available at: <http://buje.baskent.edu.tr/index.php/buje/article/view/276>. Date accessed: 04 may 2024.