Cost Efficiency Analysis of Crushed Stone Raw Material Inventory 10-20 Using EOQ Model Approach: Analisis Efisiensi Biaya Persediaan Bahan Baku Batu Pecah 10-20 Melalui Pendekatan Model EOQ. (2026). Procedia of Engineering and Life Science, 10(1), 339-348. https://doi.org/10.21070/pels.v10i1.3079