“The Effect of Icky Shuffle Training on 30 Meter Running Speed in Intensive Development High School Futsal Players in Surabaya”. Jurnal Ilmiah Adiraga : Jurnal Penelitian Olahraga, vol. 10, no. 2, Nov. 2024, pp. 20-31, https://doi.org/10.36456/adiraga.v10i2.9800.