Dhea Adhistiany Sopyan and Nia Kurniasari 2024. The Effect of Working Capital Turnover and Current Ratio (CR) on Return on Investment (ROI) at PT Harum Energy, Tbk (A Company Listed on the Indonesia Stock Exchange Period 2015-2022). Formosa Journal of Social Sciences (FJSS). 3, 3 (Sep. 2024), 655–670. DOI:https://doi.org/10.55927/fjss.v3i3.10695.