Sari, Indah, and Budiani Endrawati. “Perbandingan Penjualan Ekspor Dan Domestik Batubara Di PT X Dengan Metode Time Series”. Proceedings of the National Conference on Electrical Engineering, Informatics, Industrial Technology, and Creative Media 4, no. 1 (December 27, 2024): 481-487. Accessed January 18, 2025. https://centive.ittelkom-pwt.ac.id/index.php/centive/article/view/458.