Yulia Bahren, R. and Indra Martha, E. 2026. Analysis of the Influence of Cost Management, Operational Efficiency, Service Innovation, and Customer Loyalty on Return on Assets (ROA) in Star-Rated Hotels in Jakarta . Al-Kharaj: Jurnal Ekonomi, Keuangan & Bisnis Syariah. 8, 2 (Feb. 2026), 1078–1085. DOI:https://doi.org/10.47467/alkharaj.v8i2.11479.