Firmansyah Prawironastro, M. B., & Ridwan, M. (2025). Survey of Physical Fitness Level of Class XI Mia Students at SMA Negeri 21 Surabaya. Jurnal Pendidikan Jasmani (JPJ), 5(3), 248-258. https://doi.org/10.55081/jpj.v5i3.3599