Ardiansyah, Agung Vicky, et al. “The Effect of Fast Feet Exercises on Students’ Agility in Badminton Extracurricular Activities at SMAN 18 Garut”. Jurnal Moderasi Olahraga, vol. 5, no. 2, Nov. 2025, pp. 361-70, doi:10.53863/mor.v5i2.1899.