Nafis, M Abd Rohman, and I Dewa Made Aryananda Wijaya Kusuma. “ANALISIS KEBTUHAN PELATIH FUTSAL DI KABUPATEN GRESIK TERHADAP PROGRAM LATIHAN BERBASIS DIGITAL”. Journal of Sport and Exercise Science, vol. 4, no. 1, May 2021, pp. 23-32, doi:10.26740/jses.v4n1.p23-32.