IFB-TEAM. ifb-Mitteilungen. Journal of Family Research, [S. l.], v. 20, n. 1, p. p. 97–100, 2008. DOI: 10.20377/jfr-270. Disponível em: https://ubp.uni-bamberg.de/jfr/index.php/jfr/article/view/270. Acesso em: 2 may. 2024.