00279nam a2200121Ia 45000030006000000080041000060400015000471000023000622450034000852600009001195460012001280050017001400STCL150530s9999 xx 000 0 und d aSTCLcSTCL aPeter Chisnall, M. aEssence of Marketing Research c1995 aEnglish20220125165515.0