Mapping Purchasing Item to Improve Procurement Process on Smelter Project at PT. X. Journal of Project Management Research, [S. l.], v. 1, n. 2, p. 1–17, 2025. DOI: 10.65303/journalpmresearch.v1i2.34. Disponível em: https://journalpmresearch.com/jpmr/article/view/34.. Acesso em: 27 dec. 2025.