@article{Vinogradova2021problems,
author={Vinogradova, N.F.},
title={Problems Arising in the Course of Teaching Younger Schoolchildren with Different Levels of Academic Achievement, and Ways to Solve Them},
journal={Primary Education},
publisher={INFRA-M Academic Publishing LLC.},
year={2021},
pages={3-9},
volume={9},
issue={6},
}