HACIÖMEROĞLU, G. And Sezgin Memnun, D. Turkish elemantary pre-service teachers’ perceptions of constructivist learning environment in mathematics classes. 2013. In The Science and Education at The Beginning of The 21st Century , St. Kliment Ohridski University Press, Sofia, 384-394.

HACIÖMEROĞLU, G., & Sezgin Memnun, D., (2013). Turkish elemantary pre-service teachers’ perceptions of constructivist learning environment in mathematics classes. The Science and Education at The Beginning of The 21st Century (pp.384-394), Sofia: St. Kliment Ohridski University Press.

HACIÖMEROĞLU, GÜNEY, And Dilek Sezgin Memnun. "Turkish elemantary pre-service teachers’ perceptions of constructivist learning environment in mathematics classes." In The Science and Education at The Beginning of The 21st Century , 384-394. Sofia: St. Kliment Ohridski University Press, 2013

HACIÖMEROĞLU, GÜNEY And Sezgin Memnun, Dilek S. . "Turkish elemantary pre-service teachers’ perceptions of constructivist learning environment in mathematics classes." The Science and Education at The Beginning of The 21st Century , St. Kliment Ohridski University Press, 2013, pp.384-394.

HACIÖMEROĞLU, G. And Sezgin Memnun, D. (2013) "Turkish elemantary pre-service teachers’ perceptions of constructivist learning environment in mathematics classes", The Science and Education at The Beginning of The 21st Century . Sofia: St. Kliment Ohridski University Press.

@bookchapter{bookchapter, author ={GÜNEY HACIÖMEROĞLU And author ={Dilek Sezgin Memnun}, chaptertitle={Turkish elemantary pre-service teachers’ perceptions of constructivist learning environment in mathematics classes}, booktitle={ The Science and Education at The Beginning of The 21st Century}, publisher={St. Kliment Ohridski University Press}, city={Sofia},year={2013} }