ALMIRALL, Catherine. Collective action for public goods provision in low-income groups: a model and evidence from Peru. Economia, [S. l.], v. 32, n. 64, p. 175–206, 2009. DOI: 10.18800/economia.200902.006. Disponível em: https://revistas.pucp.edu.pe/index.php/economia/article/view/952. Acesso em: 16 dec. 2025.