Sevin Charles H <br/><br/>
Marketing productivity analysis 
Sevin Charles H 
 - New York  Mcgraw Hill          1965 
 - 137p  cm. 
 - Perspectives in Marketing Series .
<br/><br/> Bibliography Chapterwise 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Marketing
<br/><br/><label>Dewey Class. No.: </label>X:51-8, K5