hermawan, rudi, Maya Kurnia, and Mutiara Fajar. “Survey Kepuasan Member Fitness Terhadap Pelayanan Yang Diberikan Brother Gym Kota Palembang”. Jurnal Speed (Sport, Physical Education, Empowerment) 4, no. 02 (February 28, 2022): 116–120. Accessed April 4, 2026. https://fkipunsika.id/index.php/speed/article/view/5401.