Subagyo, Heri, et al. “The Impact of SAP Implementation and Inventory Management on Ship Operational Performance Through Purchase Performance”. Jurnal Bisnis, Ekonomi, Manajemen, Dan Kewirausahaan , vol. 2, no. 1, May 2022, pp. 1-13, https://doi.org/10.52909/jbemk.v2i1.71.