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Aini AN, Purbaningtyas R, Adityo RD. Forecasting Sales 3 Kg Lpg Using Single Exponential Smoothing Method. J. Electr. Eng. Comput. Sci. [Internet]. 29 Desember 2017 [dikutip 21 Mei 2024];2(2):281-6. Tersedia pada: https://ejournal.ubhara.ac.id/jeecs/article/view/153