The Efficiency of Public Procurement Centralization: Empirical Evidence from Serbian Local Self-Governments. Lex localis - Journal of Local Self-Government, [S. l.], v. 11, n. 4, p. 883–899, 2013. DOI: 10.4335/11.4.883-899(2013). Disponível em: https://lex-localis.org/index.php/LexLocalis/article/view/11.4.883-899%282013%29. Acesso em: 20 sep. 2025.