Arsadi, I., Endrawan, I. B., Fikri, A., & muslimin, M. (2025). The effect of fartlek and shuttle run training on 60 meter sprint running speed . Citius : Jurnal Pendidikan Jasmani, Olahraga, Dan Kesehatan, 5(1), 37–44. https://doi.org/10.32665/citius.v5i1.4473