Aypay, A. Et Al. 2007. The variation among schools on classroom practices in science based on TIMSS-1999 in Turkey. JOURNAL OF RESEARCH IN SCIENCE TEACHING , vol.44, no.10 , 1417-1435.

Aypay, A., ERDOĞAN, M., & Sözer, M. A., (2007). The variation among schools on classroom practices in science based on TIMSS-1999 in Turkey. JOURNAL OF RESEARCH IN SCIENCE TEACHING , vol.44, no.10, 1417-1435.

Aypay, Ahmet, MEHMET ERDOĞAN, And Mehmet A. Sözer. "The variation among schools on classroom practices in science based on TIMSS-1999 in Turkey," JOURNAL OF RESEARCH IN SCIENCE TEACHING , vol.44, no.10, 1417-1435, 2007

Aypay, Ahmet Et Al. "The variation among schools on classroom practices in science based on TIMSS-1999 in Turkey." JOURNAL OF RESEARCH IN SCIENCE TEACHING , vol.44, no.10, pp.1417-1435, 2007

Aypay, A. ERDOĞAN, M. And Sözer, M. A. (2007) . "The variation among schools on classroom practices in science based on TIMSS-1999 in Turkey." JOURNAL OF RESEARCH IN SCIENCE TEACHING , vol.44, no.10, pp.1417-1435.

@article{article, author={Ahmet Aypay Et Al. }, title={The variation among schools on classroom practices in science based on TIMSS-1999 in Turkey}, journal={JOURNAL OF RESEARCH IN SCIENCE TEACHING}, year=2007, pages={1417-1435} }