List of Articles بدفهمی ریاضی Open Access Article Abstract Page Full-Text 1 - Mathematical Misunderstandings and their Causes in Fourth Grade Elementary School Students Based on the Lived Experiences of Farhangian University Graduates: (A Qualitative study) Sareh Haghkhah Azar Davoodi َAmeneh Amiri 10.30486/jsre.2021.1927053.1871