Abdulkadir Erdoğan, Zeynep Akkurt Denizli, Fatma Nur Çoban. Why Some Concepts Cannot Survive in Mathematics Curriculums? Example of Perspective Drawings. Elementary Education Online [Internet]. 2023 Dec. 13 [cited 2024 Dec. 29];18(4):1858-74. Available from: https://ilkogretim-online.org./index.php/pub/article/view/1422