@article{Al'kova2020monographic,
author={Al'kova, K.I. and Levina, T.A.},
title={Monographic studies of the terms “efficiency”  and “performance” of the quality management system},
journal={Journal of sociological research},
publisher={INFRA-M Academic Publishing LLC.},
year={2020},
pages={58-62},
volume={5},
issue={3},
}