PENGARUH LATIHAN LADDER DRILL TERHADAP KEMAMPUAN FOOTWORK ATLET BULUTANGKIS PB. ILVERD KOTA PADANG. SPORT SAINS [Internet]. 2026 Apr. 20 [cited 2026 Apr. 22];25(1):237-44. Available from: https://jurnal.unimed.ac.id/2012/index.php/JIK/article/view/73129