Sozialer Fortschritt, Vol. 62 (2013), Iss. 6 : pp. 154–162 | First published online: October 03, 2017
Sozialer Fortschritt, Vol. 64 (2015), Iss. 6 : pp. 131–138 | First published online: March 15, 2018
Sozialer Fortschritt, Vol. 63 (2014), Iss. 8 : pp. 186–190 | First published online: October 03, 2017
Sozialer Fortschritt, Vol. 71 (2022), Iss. 3–4 : pp. 249–267 | First published online: May 05, 2022
