Ananda, Brillian Vallen Putra, and Tedjo Sukmono. “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, no. 2 (October 11, 2026): 10.21070/ijins.v27i2.2432. Accessed October 17, 2026. https://ijins.umsida.ac.id/index.php/ijins/article/view/2432.