MAGHFUR, M. A.; TRANGGONO, T. Analysis of Forecasting Demand for Wheel Loader Unit Rental Using the Arima Method to Determine Safety Stock Inventory and Service Level at PT Petrokopindo Cipta Selaras. Ranah Research : Journal of Multidisciplinary Research and Development, v. 7, n. 3, p. 2179-2191, 28 Mar. 2025.