Gunawan, Henny, and Robert Kristaung. “Analisis Dimensi Kuatas Terhadap Kesetiaan, Keperilakuan Olympic GYM Di Jakarta”. Ilmiah Manajemen Bisnis 7, no. 1 (February 13, 2014). Accessed October 5, 2024. https://ejournal.ukrida.ac.id/index.php/IMB/article/view/519.