Bayekolaei, M. D. (2017). The effectiveness of Polya's phase based instruction using Geogebra towards year 11 students Mathematical problem solving ability.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Bayekolaei, Mehraneh Delaviz. The Effectiveness of Polya's Phase Based Instruction Using Geogebra Towards Year 11 Students Mathematical Problem Solving Ability. 2017.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Bayekolaei, Mehraneh Delaviz. The Effectiveness of Polya's Phase Based Instruction Using Geogebra Towards Year 11 Students Mathematical Problem Solving Ability. 2017.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.