Billa, A. F. S., N. I. Saragih, and P. Muttaqin. “Product Delivery Distribution Route Design at UD. XYZ Use the Saving Matrix Method to Minimize Distribution Costs”. MOTIVECTION : Journal of Mechanical, Electrical and Industrial Engineering, Vol. 4, no. 3, Sept. 2022, pp. 305-18, doi:10.46574/motivection.v4i3.164.