@article{ÇALIK2012_229760,
author={Muammer ÇALIK and Ragıp Çavuş},
title={What trends do Turkish biology education studies indicate?},
year={2012},
journal={International Journal of Environmental and Science Education (elektronik)},
issn={1306-3065},
volume={7},
number={4},
url={http://search/yayin/detay/229760}
}