Amrullah, Moch. Syahrul, and Kinanti Resmi Hayati. “Demand Forecasting Analysis of Clay Mask Production Using Time Series Method at PT. Molhar”. Nusantara Science and Technology Proceedings (November 15, 2021): 195-200. Accessed March 9, 2025. https://nstproceeding.com/index.php/nuscientech/article/view/508.