Keskin, S. C. Et Al. 2013. Students' cognitive awareness about the reasons of environmental problems. World Applied Sciences Journal , vol.28, no.3 , 378-381.

Keskin, S. C., Özcan, G., Topsakal, Ü. U., & Kaplan, A. Ö., (2013). Students' cognitive awareness about the reasons of environmental problems. World Applied Sciences Journal , vol.28, no.3, 378-381.

Keskin, Sevgi Et Al. "Students' cognitive awareness about the reasons of environmental problems," World Applied Sciences Journal , vol.28, no.3, 378-381, 2013

Keskin, Sevgi C. Et Al. "Students' cognitive awareness about the reasons of environmental problems." World Applied Sciences Journal , vol.28, no.3, pp.378-381, 2013

Keskin, S. C. Et Al. (2013) . "Students' cognitive awareness about the reasons of environmental problems." World Applied Sciences Journal , vol.28, no.3, pp.378-381.

@article{article, author={Sevgi Coşkun Keskin Et Al. }, title={Students' cognitive awareness about the reasons of environmental problems}, journal={World Applied Sciences Journal}, year=2013, pages={378-381} }