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. Jakarta, Indonesia, 5(2), pp. 417–428. doi: 10.22441/ijiem.v5i2.27288.