YILDIRIM, U. And ERYILMAZ, A. 1999. The Effects of Gender Cognitive Development and Socioeconomic Status on Physics Achievement. Hacettepe Journal of Education , vol.15 , 121-126.

YILDIRIM, U., & ERYILMAZ, A., (1999). The Effects of Gender Cognitive Development and Socioeconomic Status on Physics Achievement. Hacettepe Journal of Education , vol.15, 121-126.

YILDIRIM, UFUK, And ALİ ERYILMAZ. "The Effects of Gender Cognitive Development and Socioeconomic Status on Physics Achievement," Hacettepe Journal of Education , vol.15, 121-126, 1999

YILDIRIM, UFUK And ERYILMAZ, ALİ. "The Effects of Gender Cognitive Development and Socioeconomic Status on Physics Achievement." Hacettepe Journal of Education , vol.15, pp.121-126, 1999

YILDIRIM, U. And ERYILMAZ, A. (1999) . "The Effects of Gender Cognitive Development and Socioeconomic Status on Physics Achievement." Hacettepe Journal of Education , vol.15, pp.121-126.

@article{article, author={UFUK YILDIRIM And author={ALİ ERYILMAZ}, title={The Effects of Gender Cognitive Development and Socioeconomic Status on Physics Achievement}, journal={Hacettepe Journal of Education}, year=1999, pages={121-126} }