Unobserved Heterogeneity in Public Procurement Governance and Value for Money. Lex localis - Journal of Local Self-Government, [S. l.], v. 18, n. 1, p. 95–121, 2020. Disponível em: http://lex-localis.org/index.php/LexLocalis/article/view/1253. Acesso em: 11 oct. 2025.