Raihan, Raihan, M. Syafwansyah Effendi, and Ahmad Hendrawan. “Forcasting Model Exsponensial Smoothing Time Series Rata Rata Mechanical Availability Unit Off Highway Truck CAT 777D Caterpillar”. POROS TEKNIK 8, no. 1 (March 26, 2017): 1–9. Accessed May 2, 2024. https://ejurnal.poliban.ac.id/index.php/porosteknik/article/view/375.