Kusumawati, Febriana Riestyaningrum. “Profitability Determinants of Five-Star Hotels in Yogyakarta”. Annals of Management and Organization Research 2, no. 1 (August 25, 2020): 41–52. Accessed July 13, 2025. https://goodwoodpub.com/index.php/amor/article/view/670.