ORVESTO 1973-II_4
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https://b2find.eudat.eu/dataset/912027d4-8ee2-5725-ba3b-0f46d97feaaa
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资源简介：
In the mid-1960s, Testologen AB in collaboration with a group of advertisers, introduced a new way of investigation, where data about the target groups - socio-economic data,...
