Ananda, B. V. P. and Sukmono, T. (2026) “Optimization of Sand Material Inventory Control to Minimize Costs at PT XYZ.: Optimalisasi Pengendalian Persediaan Material Pasir untuk Meminimalkan Cost pada PT XYZ”, Indonesian Journal of Innovation Studies, 27(2), p. 10.21070/ijins.v27i2.2432. doi: 10.21070/ijins.v27i2.2432.