Nadya Pratiwi, Siregar R. Optimization of Crude Palm Oil Distribution Costs in PT. Perkebunan Nusantara III Using Vogel’s Approximation Method, Russel Approximation Method and Stepping Stone Method. J. of Maths Tech and Edu [Internet]. 2021Dec.31 [cited 2024Dec.22];1(1):1-10. Available from: https://talenta.usu.ac.id/jomte/article/view/6866