Mussafi, N.S.M. and Adianta, A. 2024. Optimization of Transportation Distribution Costs Using Improved Vogel’s Approximation Method (IVAM) (Case Study: PT. Sinar Putra Pertam). IJIEM - Indonesian Journal of Industrial Engineering and Management. 5, 2 (Nov. 2024), 417–428. DOI:https://doi.org/10.22441/ijiem.v5i2.27288.