@article{Ivanov2014the,
author={Ivanov, E.. and Ivashchenko, E.V.},
title={The Integrated Lesson on Technology and the World Around Us: “Borisovsky Clay Sound Toy of the Belgorod Region” (4th grade)},
journal={Primary Education},
publisher={INFRA-M Academic Publishing LLC.},
year={2014},
pages={39-42},
volume={2},
issue={6},
}