@article{Zhang2025study,
author={Zhang, G.. and Lavruhina, G.M. and Pan, J..},
title={Study of physical activity among middle school students in China: current status, challenges, and countermeasures},
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={107-114},
volume={0},
issue={6},
}