CHAPMAN, S. N.; LAHDENPERÄ, M.; PETTAY, J. E.; LUMMAA, V. Changes in Length of Grandparenthood in Finland 1790-1959. Finnish Yearbook of Population Research, [S. l.], v. 52, p. 3–13, 2017. DOI: 10.23979/fypr.65346. Disponível em: https://journal.fi/fypr/article/view/65346. Acesso em: 26 apr. 2024.