Puryani, Puryani, and Sutrisno Sutrisno. 2022. “Development of Multi-Criteria Decision Making Model in the Packaged Beverage Industry to Minimize Production Costs and Maximize Machine Utility Using the Step Method”. RSF Conference Series: Engineering and Technology 1 (1):535-44. https://doi.org/10.31098/cset.v1i1.427.