Damanik , I. et al. 2022. Application of Several Forecasting Method on Refined Sugar Production at PT. Perkebunan Nusantara X. Jurnal BETA (Biosistem dan Teknik Pertanian). 10, 1 (Apr. 2022), 21–33. DOI:https://doi.org/10.24843/JBETA.2022.v10.i01.p03.