@article{Vorovschikov2019on,
author={Vorovschikov, S.G. and Tat'yanchenko, D.V.},
title={On the history of the theory of systems: the emergence  of a systems approach in pedagogy},
journal={Journal of Pedagogical Studies},
publisher={INFRA-M Academic Publishing LLC.},
year={2019},
pages={3-9},
volume={4},
issue={6},
}