@article{Mihaylova2025factors,
author={Mihaylova, E.Y. and Androsova, G.A.},
title={Factors and trends in the development of the fitness industry in Saint Petersburg},
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={86-91},
volume={0},
issue={6},
}