CRUZ-SACO OYAGUE, María Amparo. In Opposite Directions: Demographic Transition and Old-Age Pensions in Peru. Apuntes. Social Sciences Journal, [S. l.], n. 58/59, p. 5–34, 2006. DOI: 10.21678/apuntes.58/59.555. Disponível em: https://revistas.up.edu.pe/apuntes/article/view/555. Acesso em: 13 sep. 2026.