Hariyadi, M., & Putra, B. I. (2018). Inventory Control of Nalco Water Treatment Raw Materials Using the Lot Sizing Method: Pengendalian Persediaan Bahan Baku Nalco Water Treatment Dengan Menggunakan Metode Lot Sizing. PROZIMA (Productivity, Optimization and Manufacturing System Engineering), 2(2), 80–87. https://doi.org/10.21070/prozima.v2i2.2199