Browsing All of EconStor by Author Schäfer, Erich
Showing results 1 to 1 of 1
Year of Publication | Title | Author(s) |
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1949 | Quantitative und qualitative Marktforschung | Schäfer, Erich |
Year of Publication | Title | Author(s) |
---|---|---|
1949 | Quantitative und qualitative Marktforschung | Schäfer, Erich |