Foreigners, refugees and asylum : Centerdata Telepanel

This survey is part of Centerdata's Telepanel project. Telepanel consists of approx. 2000 households, surveyed weekly. Besides the Centerdatabase offers opportunities to...此项调研隶属于Centerdata旗下远程面板（Telepanel）项目。该项目涵盖约2000户每周接受调研的家庭。此外，Center数据库（Centerdatabase）可为……提供相关契机。