Putra, M. M. ., Tias, R. F. ., & Safitri, A. D. . (2020). Forecasting Sales of Premium Oil Fuel, Pertalite, Pertamax, Pertamax Turbo and Bio Solar Using the Method Exponential Moving Average (EMA) (case Study: Klampis Gas Station Surabaya). JEECS (Journal of Electrical Engineering and Computer Sciences), 5(1), 789–794. https://doi.org/10.54732/jeecs.v5i1.104