2025. Analysis of Football Tactics and Strategy Knowledge Level in Football Extracurricular Activities at SMAN 4 Sarolangun. COMPETITOR: Jurnal Pendidikan Kepelatihan Olahraga. 17, 3 (Oct. 2025), 3139–3146. DOI:https://doi.org/10.26858/cjpko.v17i3.348.