Cigdemoglu, C. Et Al. 2014. Heterogeneity in Classes: Cooperative Problem-Solving Activities through Cooperative Learning. Croatian Journal of Education-Hrvatski Casopis za Odgoj i obrazovanje , vol.16, no.4 , 999-1029.

Cigdemoglu, C., Kapusuz, K. Y., & Kara, A., (2014). Heterogeneity in Classes: Cooperative Problem-Solving Activities through Cooperative Learning. Croatian Journal of Education-Hrvatski Casopis za Odgoj i obrazovanje , vol.16, no.4, 999-1029.

Cigdemoglu, Ceyhan, Kamil Yavuz Kapusuz, And ALİ KARA. "Heterogeneity in Classes: Cooperative Problem-Solving Activities through Cooperative Learning," Croatian Journal of Education-Hrvatski Casopis za Odgoj i obrazovanje , vol.16, no.4, 999-1029, 2014

Cigdemoglu, Ceyhan Et Al. "Heterogeneity in Classes: Cooperative Problem-Solving Activities through Cooperative Learning." Croatian Journal of Education-Hrvatski Casopis za Odgoj i obrazovanje , vol.16, no.4, pp.999-1029, 2014

Cigdemoglu, C. Kapusuz, K. Y. And Kara, A. (2014) . "Heterogeneity in Classes: Cooperative Problem-Solving Activities through Cooperative Learning." Croatian Journal of Education-Hrvatski Casopis za Odgoj i obrazovanje , vol.16, no.4, pp.999-1029.

@article{article, author={Ceyhan Cigdemoglu Et Al. }, title={Heterogeneity in Classes: Cooperative Problem-Solving Activities through Cooperative Learning}, journal={Croatian Journal of Education-Hrvatski Casopis za Odgoj i obrazovanje}, year=2014, pages={999-1029} }