IFB-TEAM. ifb-Mitteilungen. Journal of Family Research, [S. l.], v. 21, n. 1, p. p. 98–100, 2009. DOI: 10.20377/jfr-232. Disponível em: https://ubp.uni-bamberg.de/jfr/index.php/jfr/article/view/232. Acesso em: 28 apr. 2024.