YAGER, R. And AKÇAY, H. 2009. Comparison of Student Learning Outcomes in Middle School Science Classes with an STS Approach and a Typical Textbook Dominated Approach. Research in Middle Level Education , vol.31 , 1-25.

YAGER, R., & AKÇAY, H., (2009). Comparison of Student Learning Outcomes in Middle School Science Classes with an STS Approach and a Typical Textbook Dominated Approach. Research in Middle Level Education , vol.31, 1-25.

YAGER, ROBERT, And Hakan AKÇAY. "Comparison of Student Learning Outcomes in Middle School Science Classes with an STS Approach and a Typical Textbook Dominated Approach," Research in Middle Level Education , vol.31, 1-25, 2009

YAGER, ROBERT And AKÇAY, Hakan. "Comparison of Student Learning Outcomes in Middle School Science Classes with an STS Approach and a Typical Textbook Dominated Approach." Research in Middle Level Education , vol.31, pp.1-25, 2009

YAGER, R. And AKÇAY, H. (2009) . "Comparison of Student Learning Outcomes in Middle School Science Classes with an STS Approach and a Typical Textbook Dominated Approach." Research in Middle Level Education , vol.31, pp.1-25.

@article{article, author={ROBERT YAGER And author={Hakan AKÇAY}, title={Comparison of Student Learning Outcomes in Middle School Science Classes with an STS Approach and a Typical Textbook Dominated Approach}, journal={Research in Middle Level Education}, year=2009, pages={1-25} }