Çiftçi, A. Et Al. 2019. Effects of STEM Education on Pre-Service Science Teachers' Perception of 21st Century Skills and Competences. NARST 2019-National Association for Research in Science Teaching , (Maryland, United States Of America), 1-5.

Çiftçi, A., Topçu, M. S., & Koçulu, A., (2019). Effects of STEM Education on Pre-Service Science Teachers' Perception of 21st Century Skills and Competences . NARST 2019-National Association for Research in Science Teaching (pp.1-5). Maryland, United States Of America

Çiftçi, Ayşe, Mustafa Sami TOPÇU, And Aslı KOÇULU. "Effects of STEM Education on Pre-Service Science Teachers' Perception of 21st Century Skills and Competences," NARST 2019-National Association for Research in Science Teaching , Maryland, United States Of America, 2019

Çiftçi, Ayşe Et Al. "Effects of STEM Education on Pre-Service Science Teachers' Perception of 21st Century Skills and Competences." NARST 2019-National Association for Research in Science Teaching , Maryland, United States Of America, pp.1-5, 2019

Çiftçi, A. Topçu, M. S. And Koçulu, A. (2019) . "Effects of STEM Education on Pre-Service Science Teachers' Perception of 21st Century Skills and Competences." NARST 2019-National Association for Research in Science Teaching , Maryland, United States Of America, pp.1-5.

@conferencepaper{conferencepaper, author={Ayşe Çiftçi Et Al. }, title={Effects of STEM Education on Pre-Service Science Teachers' Perception of 21st Century Skills and Competences}, congress name={NARST 2019-National Association for Research in Science Teaching }, city={Maryland}, country={United States Of America}, year={2019}, pages={1-5} }