@article{uygun2021_437497,
author={tuğba uygun and Pınar Güner},
title={Van Hiele Levels of Geometric Thinking and Constructivist-Based Teaching Practices},
year={2021},
journal={Mersin Üniversitesi Eğitim Fakültesi Dergisi},
issn={1305-5429},
volume={17},
number={1},
url={http://search/yayin/detay/437497}
}