From Fragmentation to Focus: The Benefits of Centralizing Procurement. International Journal of Research and Applied Innovations, [S. l.], v. 6, n. 6, p. 9820–9833, 2023. DOI: 10.15662/IJRAI.2023.0606006. Disponível em: https://ijrai.org/index.php/ijrai/article/view/122. Acesso em: 15 mar. 2026.