Kusuma, Purba Daru. “Weighted Round Robin (WRR) Based Replenishment Model in Vendor Managed Inventory (VMI) System”. International Journal of Integrated Engineering, vol. 14, no. 1, Mar. 2022, pp. 191-02, https://penerbit.uthm.edu.my/ojs/index.php/ijie/article/view/8772.