Traffic, transportation and road safety : 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...本调研隶属于Centerdata的Telepanel调研项目。该项目涵盖约2000户家庭样本，且每周开展一次调研。此外，Centerdatabase数据库还可提供……相关的应用契机。