@article{TEZEL2010_117806,
author={Özden TEZEL and M. Bahaddin ACAT and Nurhan ÖZTÜRK},
title={Science process skills levels of primary school seventh grade students in science and technology lesson},
year={2010},
journal={Journal of Turkish Science Education},
issn={1304-6020},
volume={7},
number={3},
url={http://search/yayin/detay/117806}
}