Balcı, A. 2011. Perceptions of ninth grade students about the concept of axis tilt. Education , vol.131, no.2 .

Balcı, A., (2011). Perceptions of ninth grade students about the concept of axis tilt. Education , vol.131, no.2.

Balcı, ALİ. "Perceptions of ninth grade students about the concept of axis tilt," Education , vol.131, no.2, 2011

Balcı, ALİ. "Perceptions of ninth grade students about the concept of axis tilt." Education , vol.131, no.2, 2011

Balcı, A. (2011) . "Perceptions of ninth grade students about the concept of axis tilt." Education , vol.131, no.2.

@article{article, author={ALİ BALCI}, title={Perceptions of ninth grade students about the concept of axis tilt}, journal={Education}, year=2011}