Stemkansen bij provinciale statenverkiezingen van maart 1999 : Centerdata Tel...

This survey is part of Centerdata's Telepanel project. Telepanel consists of approx. 2000 households, surveyed weekly. Besides the Centerdatabase offers opportunities to...本调研系Centerdata旗下Telepanel（远程调研面板）项目的组成部分。该项目涵盖约2000户家庭，每周开展一次调研。此外，Centerdatabase（中心数据库）还可提供……相关机遇。