@article{Vinogradova2019independent,
author={Vinogradova, N.F. and Kalinova, G.S.},
title={Independent Work of Pupils at the “The World Around US” Lessons},
journal={Primary Education},
publisher={INFRA-M Academic Publishing LLC.},
year={2019},
pages={39-42},
volume={7},
issue={4},
}