Diputra, R. 2015. PENGARUH LATIHAN THREE CONE DRILL, FOUR CONE DRILL, DAN FIVE CONE DRILL TERHADAP KELINCAHAN (AGILITY) DAN KECEPATAN (SPEED). Efektor. 3, 1 (Oct. 2015). DOI:https://doi.org/10.29407/e.v3i1.205.