Umay, Aysun2020-01-172020-01-171997-07-061300-1272https://hdl.handle.net/11413/6098trAttribution-NonCommercial-ShareAlike 3.0 United Stateshttp://creativecommons.org/licenses/by-nc-sa/3.0/us/Eğitim ve ÖğretimMatematik EğitimiEducation and TrainingMathematics EducationArticle