Tuğrul KAR, Tuğrul KAR, Cemalettin IŞIK. Analyzing Problems Posed by Seventh Grade Middle School Students for Subtraction Operation with Fractions. Elementary Education Online [Internet]. 2023 Dec. 20 [cited 2024 Jul. 5];13(4):1223-39. Available from: https://ilkogretim-online.org./index.php/pub/article/view/6294