YETKİN ÖZDEMİR, İ. E. 2003. Student difficulties in elementary mathematics. ERIC Digest .

YETKİN ÖZDEMİR, İ. E., (2003). Student difficulties in elementary mathematics. ERIC Digest .

YETKİN ÖZDEMİR, İFFET. "Student difficulties in elementary mathematics," ERIC Digest , 2003

YETKİN ÖZDEMİR, İFFET E. . "Student difficulties in elementary mathematics." ERIC Digest , 2003

YETKİN ÖZDEMİR, İ. E. (2003) . "Student difficulties in elementary mathematics." ERIC Digest .

@article{article, author={İFFET ELİF YETKİN ÖZDEMİR}, title={Student difficulties in elementary mathematics}, journal={ERIC Digest}, year=2003}