Ananda, M. R., Nasution, M. L. I. and Tambunan, K. (2025) “The Influence of Free Time and Job Satisfaction on Casual Employees’ Performance in Serving Customers at the JW Marriott Hotel Medan”, Economic: Journal Economic and Business, 4(4), pp. 787–799. doi: 10.56495/ejeb.v4i4.1335.