ADRIAWAN, Risky; SUTRISNO, Joko. PEMODELAN SISTEM INFORMASI FITNES PADA JIM’S GYM. IDEALIS : InDonEsiA journaL Information System, [S. l.], v. 1, n. 5, p. 16–22, 2018. Disponível em: https://jom.fti.budiluhur.ac.id/index.php/IDEALIS/article/view/974. Acesso em: 12 feb. 2025.