Sittenfeld Hans <br/><br/>
Test marketing. Tr. by E L Dellow 

 - London  Business Publications           1967 
 - 123p  cm. 
<br/><br/> Bibliography: p 117-20 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Marketing
<br/><br/><label>Dewey Class. No.: </label>X:51, K7