Rochayata, K.S.B., R.R. Wening Ken Widodasih and Hery Gunardi 2022. Optimization of Transportation Costs With The Implementation of The Milk-Run Method. Enrichment : Journal of Management. 12, 5 (Dec. 2022), 3662-3669. DOI:https://doi.org/10.35335/enrichment.v12i5.834.