Michael J Naples <br/><br/>
Effective frequency:  the relationship between frequency and advertising effectiveness 
Michael J Naples 
 - 1st. 
 - New York, N.Y.  Association of National Advertisers  1979 
<br/><br/><label>ISBN: </label>9780844231327 
<br/><br/><label>Dewey Class. No.: </label>659.11  / 1800