“Agility And Speed Of Football Teams Using Arrowhead Tests And 40-Meter Sprints”. COMPETITOR: Jurnal Pendidikan Kepelatihan Olahraga 18, no. 1 (February 28, 2026): 1649–1660. Accessed March 2, 2026. https://competitor.idjournal.eu/index.php/competitor/article/view/666.