Harahap, Afif Zuhri Muhammad Khodri, Ahmad Taufik Nursal, Khairulnizam Sahlan, and Suheil Che Sobry. 2023. “The Characteristics of Demand Rates in Inventory Routing Problem”. Advances in Social Sciences Research Journal 10 (7):76-84. https://doi.org/10.14738/assrj.107.15043.