Tuğrul KAR, Tuğrul KAR and Cemalettin IŞIK (2023) “Analyzing Problems Posed by Seventh Grade Middle School Students for Subtraction Operation with Fractions”, Elementary Education Online, 13(4), pp. 1223–1239. Available at: https://ilkogretim-online.org./index.php/pub/article/view/6294 (Accessed: 5 July 2024).