Sinaga, Anggita Br, Riezky Purnama Sari, and Nurviana Nurviana. 2023. “Forecasting The Amount Of Oil and Non-Oil and Gas Exports In Indonesia Using The Box-Jenkins Method”. Mathline : Jurnal Matematika Dan Pendidikan Matematika 8 (4):1573-88. https://doi.org/10.31943/mathline.v8i4.403.