ORVESTO 1979-I_4

In the middle of the sixties Testologen AB, in cooperation with a group of advertisers, introduced a new way of investigation where data about the target groups, i.e. interests,...二十世纪六十年代中期，Testologen AB公司与一众广告商合作，推出了一种全新的调研方法，该方法以目标群体的相关数据为调研内容，例如兴趣偏好……