urn:ddi:int.example:2d9cd83c-eced-4fa1-b5d8-6c016430876e:3 int.example 2d9cd83c-eced-4fa1-b5d8-6c016430876e 3 el-masri@dezim-institut.de 1 Questionnaire Variablen Fragebogen Variable Questionnaire repository:7a2e4787-01d8-489a-b907-50b8d61e9360 application/pdf