@article{Schennikova2025demand,,
author={Schennikova, M.Y. and Vishnyakova, Y.Y. and Ovsyuk, T.M.},
title={Demand, supply and competition in the market of additional educational services in the field of physical education and sports: professional retraining},
journal={Scientific notes of P. F. Lesgaft University},
publisher={National State University of Physical Education, Sports and Health named after P.F. Lesgaft},
year={2025},
pages={243-248},
volume={0},
issue={11},
}