ramadhani, faiq, and F. Arjuna. “Tingkat Kepuasan Member Terhadap Kualitas Pelayanan Di Pusat Kebugaran Melia Gym Bantul Yogyakarta”. Journal Active of Sports, Vol. 3, no. 1, May 2023, pp. 33-45, https://ejournal.stkipmodernngawi.ac.id/index.php/JAS/article/view/651.