Gandala Putra, J., S. Aryanti, and A. R. Victorian. “Ladder Drill Training on the Agility of Beginner Badminton Athletes”. Kinestetik : Jurnal Ilmiah Pendidikan Jasmani, vol. 7, no. 4, Dec. 2023, pp. 1046-53, doi:10.33369/jk.v7i4.30709.