“The Effectiveness of The Agility Drill Training Program Based On Zig-Zag Patterns On The Agility of Basketball Athletes of The Surabaya Sniper”. 2026. COMPETITOR: Jurnal Pendidikan Kepelatihan Olahraga 18 (1): 0880-91. https://competitor.idjournal.eu/index.php/competitor/article/view/580.