Design of ERP Production Planning Module to Optimize the use of System Application and Processing (SAP) Software Using Business Process Improvement and Activate SAP Methodology at PT. XYZ. IJIES [Internet]. 2025 Jan. 30 [cited 2025 Jan. 31];12(1):15-9. Available from: https://journals.blueeyesintelligence.org/index.php/ijies/article/view/604