STUDI KOMPARATIF TENTANG KUALITAS PELAYANAN DI FAMILY FITNESS CABANG CAMBRIDGE CITY SQUARE DAN FAMILY FITNESS CABANG CENTRE POINT KOTA MEDAN. Sains Olahraga : Jurnal Ilmiah Ilmu Keolahragaan, [S. l.], v. 1, n. 2, p. 123–131, 2018. DOI: 10.24114/so.v1i2.7788. Disponível em: https://jurnal.unimed.ac.id/2012/index.php/so/article/view/7788. Acesso em: 11 aug. 2026.