IFB-TEAM. ifb-Mitteilungen. Journal of Family Research, [S. l.], v. 19, n. 1, p. p. 129–132, 2007. DOI: 10.20377/jfr-340. Disponível em: https://ubp.uni-bamberg.de/jfr/index.php/jfr/article/view/340. Acesso em: 29 apr. 2024.