Witte, Susanne, and Heinz Kindler. “Strengths and Problems of Families in Contact With Child Protective Services During the COVID-19 Pandemic”. Journal of Family Research 34, no. 1 (April 1, 2022): 394–428. Accessed June 27, 2022. https://ubp.uni-bamberg.de/jfr/index.php/jfr/article/view/715.