Tumanggor, R. and Nurkadri, N. (2021) “A ESKALASI VARIASI LATIHAN KELINCAHAN SEPAK BOLA SSB DI KOTA BINJAI: Variasi Latihan Kelincahan Sepak Bola”, Jurnal Speed (Sport, Physical Education, Empowerment), 4(01), pp. 56–63. doi: 10.35706/jurnalspeed.v4i01.5363.