@article{Vereschagina2021influence,
author={Vereschagina, T.A.},
title={Influence of an engineering problem on the formation  of students' conceptual thinking in the process  of geometric and graphic teaching},
journal={Journal of Natural Sciences Research},
publisher={INFRA-M Academic Publishing LLC.},
year={2021},
pages={40-45},
volume={5},
issue={4},
}