Muftiati Ahmad, C.E. et al. 2023. Effect of Goods and Services Procurement Management with Direct Selection Method on PT Sumberbumi Global Niaga Ship Operations. Greenation International Journal of Economics and Accounting. 1, 3 (Sep. 2023), 469–476. DOI:https://doi.org/10.38035/gijea.v1i3.59.