DEMİRAY, E. And Bostan, M. I. 2017. An Investigation of Pre-service Middle School Mathematics Teachers' Ability to Conduct Valid Proofs, Methods Used, and Reasons for Invalid Arguments. INTERNATIONAL JOURNAL OF SCIENCE AND MATHEMATICS EDUCATION , vol.15, no.1 , 109-130.

DEMİRAY, E., & Bostan, M. I., (2017). An Investigation of Pre-service Middle School Mathematics Teachers' Ability to Conduct Valid Proofs, Methods Used, and Reasons for Invalid Arguments. INTERNATIONAL JOURNAL OF SCIENCE AND MATHEMATICS EDUCATION , vol.15, no.1, 109-130.

DEMİRAY, ESRA, And Mine Isiksal Bostan. "An Investigation of Pre-service Middle School Mathematics Teachers' Ability to Conduct Valid Proofs, Methods Used, and Reasons for Invalid Arguments," INTERNATIONAL JOURNAL OF SCIENCE AND MATHEMATICS EDUCATION , vol.15, no.1, 109-130, 2017

DEMİRAY, ESRA And Bostan, Mine I. . "An Investigation of Pre-service Middle School Mathematics Teachers' Ability to Conduct Valid Proofs, Methods Used, and Reasons for Invalid Arguments." INTERNATIONAL JOURNAL OF SCIENCE AND MATHEMATICS EDUCATION , vol.15, no.1, pp.109-130, 2017

DEMİRAY, E. And Bostan, M. I. (2017) . "An Investigation of Pre-service Middle School Mathematics Teachers' Ability to Conduct Valid Proofs, Methods Used, and Reasons for Invalid Arguments." INTERNATIONAL JOURNAL OF SCIENCE AND MATHEMATICS EDUCATION , vol.15, no.1, pp.109-130.

@article{article, author={ESRA DEMİRAY And author={Mine Isiksal Bostan}, title={An Investigation of Pre-service Middle School Mathematics Teachers' Ability to Conduct Valid Proofs, Methods Used, and Reasons for Invalid Arguments}, journal={INTERNATIONAL JOURNAL OF SCIENCE AND MATHEMATICS EDUCATION}, year=2017, pages={109-130} }