URRUNAGA, Roberto. The financial informality in a context of repression of the system: analysis of individual lenders. Apuntes. Social Sciences Journal, [S. l.], n. 22, p. 37–54, 1988. DOI: 10.21678/apuntes.22.266. Disponível em: https://revistas.up.edu.pe/apuntes/article/view/266. Acesso em: 11 sep. 2026.