2025. Analysis Of The Defensive Tactics Of The Bintang Timur Surabaya Team In The Professional Futsal League In The 2023-2024 Competition Year. COMPETITOR: Jurnal Pendidikan Kepelatihan Olahraga. 17, 2 (Aug. 2025), 2028–2032. DOI:https://doi.org/10.26858/cjpko.v17i2.292.