Nurhidayah D, Prasetyo Y, Sutapa P, Agung Nanda F, Setya Mustafa P, Astuti D, Davry Nanda Kadun MT A. Validity and reliability of the physical fitness test instrument for retired martial art athletes. Pedagogy of Physical Culture and Sports. 2024;28(5):387-95. https://doi.org/10.15561/26649837.2024.0507