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