@article{Petrovskaya2020formation,
author={Petrovskaya, O.A. and Mul'ko, T.M.},
title={Formation of consumer loyalty to business trainings (sociological analysis)},
journal={Journal of sociological research},
publisher={INFRA-M Academic Publishing LLC.},
year={2020},
pages={53-60},
volume={5},
issue={4},
}