urn:ddi:de.dezim:ea0fc374-2b0d-4da5-8a5d-5b4800f72b1b:1 de.dezim ea0fc374-2b0d-4da5-8a5d-5b4800f72b1b 1 extension:ShouldCalculateFrequenciesForValidValues True extension:ShouldCalculateFrequenciesForInvalidValues True el-masri@dezim-institut.de I lif0028x02 Schwierig für Eltern Besuch Befragungsperson: Kostet Zeit Difficult for parents to visit respondent: costs time de.dezim 290506fd-6e16-4386-bafb-59d39ce5ca53 1 CodeList