The Development of Informal Work in the Work-Welfare Arrangements of European Societies Jensen, Per H. Pfau-Effinger, Birgit Flaquer, Lluís 2009 - Forschungsinformationssystem der UHH
Formal and informal work in European societies:a comparative perspective Pfau-Effinger, Birgit Jensen, Per H. Flaquer, Lluís 2009 - Forschungsinformationssystem der UHH