KLOCKE, A.; STADTMÜLLER, S. Bürgerschaftliches Engagement für und von Familien – Eine empirische Analyse mit dem Freiwilligensurvey 1999-2009: Volunteer services provided for and by families: An empirical analysis with data from the German “Freiwilligensurvey” 1999-2009. Journal of Family Research, [S. l.], v. 23, n. 1, p. p. 24–36, 2011. DOI: 10.20377/jfr-221. Disponível em: https://ubp.uni-bamberg.de/jfr/index.php/jfr/article/view/221. Acesso em: 4 may. 2024.