Harahap, L. M.; Ambarita, C. M. B.; Cahyati, D. U.; Sihotang, M. M.; Situmorang, R.; Silaban, M. Y. Literature Study: Comparison of the Effectiveness of the Stepping Stone Method and the Modified Distribution (MODI) Method for Optimizing Transportation Costs. EJEB 2023, 2, 72-76.