Afandy, Chairil. “The Role of Financial Leverage and Cost Management on Operational Efficiency and Earnings Stability in Hospitality Industry in Indonesia”. The Eastasouth Management and Business 3, no. 01 (September 30, 2024): 77–88. Accessed April 6, 2025. https://esj.eastasouth-institute.com/index.php/esmb/article/view/339.