Pryimakov, O., Sawczuk, M., Korobeynikov, G., Prysiazhniuk, S., Skrypko, A., & Mazurok, N. (2025). Structure of intra- and intergroup relationships among key parameters of physical development, physical fitness, and biological age in students aged 17–20. Physical Education of Students, 29(3), 233–245. https://doi.org/10.15561/20755279.2025.0310