J. Hariono, H. Pamungkas, M. Nidomuddin, H. Yusuf, and S. Sudari, “Effect of Fartlek Training on Agility and Speed of Arema FC Players: Pengaruh Latihan Fartlek Terhadap Kelincahan dan Kecepatan Pemain Arema FC”, Corner, vol. 4, no. 1, pp. 18–22, Nov. 2023.