İŞLEYEN, T. And AKGÜN, L. 2011. Pre service Mathematics Teachers Perception Levels Concerning the Concepts of Derivative and Differential. International Journal of Business and Social Science , vol.2 , 247-253.

İŞLEYEN, T., & AKGÜN, L., (2011). Pre service Mathematics Teachers Perception Levels Concerning the Concepts of Derivative and Differential. International Journal of Business and Social Science , vol.2, 247-253.

İŞLEYEN, Tevfik, And Levent AKGÜN. "Pre service Mathematics Teachers Perception Levels Concerning the Concepts of Derivative and Differential," International Journal of Business and Social Science , vol.2, 247-253, 2011

İŞLEYEN, Tevfik And AKGÜN, Levent. "Pre service Mathematics Teachers Perception Levels Concerning the Concepts of Derivative and Differential." International Journal of Business and Social Science , vol.2, pp.247-253, 2011

İŞLEYEN, T. And AKGÜN, L. (2011) . "Pre service Mathematics Teachers Perception Levels Concerning the Concepts of Derivative and Differential." International Journal of Business and Social Science , vol.2, pp.247-253.

@article{article, author={Tevfik İŞLEYEN And author={Levent AKGÜN}, title={Pre service Mathematics Teachers Perception Levels Concerning the Concepts of Derivative and Differential}, journal={International Journal of Business and Social Science}, year=2011, pages={247-253} }