YAŞAR, M. D. And SÖZBİLİR, M. 2013. An investigation of chemistry teachers’ perceptions and implementation of constructivist principles in 9th grade chemistry curriculum in Turkey. 44th IUPAC World Chemistry Congress , (İstanbul, Turkey), 496.

YAŞAR, M. D., & SÖZBİLİR, M., (2013). An investigation of chemistry teachers’ perceptions and implementation of constructivist principles in 9th grade chemistry curriculum in Turkey . 44th IUPAC World Chemistry Congress (pp.496). İstanbul, Turkey

YAŞAR, MEHMET, And Mustafa SÖZBİLİR. "An investigation of chemistry teachers’ perceptions and implementation of constructivist principles in 9th grade chemistry curriculum in Turkey," 44th IUPAC World Chemistry Congress, İstanbul, Turkey, 2013

YAŞAR, MEHMET D. And SÖZBİLİR, Mustafa. "An investigation of chemistry teachers’ perceptions and implementation of constructivist principles in 9th grade chemistry curriculum in Turkey." 44th IUPAC World Chemistry Congress , İstanbul, Turkey, pp.496, 2013

YAŞAR, M. D. And SÖZBİLİR, M. (2013) . "An investigation of chemistry teachers’ perceptions and implementation of constructivist principles in 9th grade chemistry curriculum in Turkey." 44th IUPAC World Chemistry Congress , İstanbul, Turkey, p.496.

@conferencepaper{conferencepaper, author={MEHMET DİYADDİN YAŞAR And author={Mustafa SÖZBİLİR}, title={An investigation of chemistry teachers’ perceptions and implementation of constructivist principles in 9th grade chemistry curriculum in Turkey}, congress name={44th IUPAC World Chemistry Congress}, city={İstanbul}, country={Turkey}, year={2013}, pages={496} }