2026. The Effectiveness of The Agility Drill Training Program Based On Zig-Zag Patterns On The Agility of Basketball Athletes of The Surabaya Sniper. COMPETITOR: Jurnal Pendidikan Kepelatihan Olahraga. 18, 1 (May 2026), 0880–0891. DOI:https://doi.org/10.26858/cpjok.v18i1.580.