Hariyadi, M. and 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 (Dec. 2018), 80–87. DOI:https://doi.org/10.21070/prozima.v2i2.2199.