Grinding Stone And Penetrating Liquid Inventory Optimization Using Period Order Quantity: Optimasi Persediaan Batu Gerinda Dan Cairan Penetrating Menggunakan Period Order Quantity. PELS [Internet]. 2026 Oct. 16 [cited 2026 Oct. 24];10(1):635-42. Available from: https://pels.umsida.ac.id/index.php/PELS/article/view/1820