Elvina Catria, Putra, A. A., Permana, D., & Fitria, D. (2023). Adding Exogenous Variable in Forming ARIMAX Model to Predict Export Load Goods in Tanjung Priok Port. UNP Journal of Statistics and Data Science, 1(1), 31–38. https://doi.org/10.24036/ujsds/vol1-iss1/10 (Original work published January 12, 2022)