Syam, A.R.P. 2022. Application of the Autoregressive Integrated Moving Average Exogenous (ARIMAX) with Calendar Variation Effect Method for Forecasting Chocolate Data in Indonesia and the United States. Jurnal Matematika, Statistika dan Komputasi. 18, 2 (Jan. 2022), 224-236. DOI:https://doi.org/10.20956/j.v18i2.18460.