SUPPLY CHAIN IMPROVEMENT DESIGN THROUGH EVALUATION OF THE NUMBER OF SUPPORT WAREHOUSES USING THE MIXED INTEGER LINEAR PROGRAMMING (MILP) MODEL (STUDY: PT PETROKIMIA GRESIK LOGISTICS UNIT)
ADITIYA CAHYA WARDANA041514353018DUCTENGERS. Suparno, MSie., Ph.D. Abstract PT Petrokimia Gresik is one of 5 Fertilizer Producers Incorporated in PT Pupuk Indonesia