IFB-TEAM. ifb-Mitteilungen. Journal of Family Research, [S. l.], v. 18, n. 3, p. p. 361–363, 2006. DOI: 10.20377/jfr-300. Disponível em: https://ubp.uni-bamberg.de/jfr/index.php/jfr/article/view/300. Acesso em: 25 apr. 2024.