Spencer Jeffrey <br/><br/>
Importance of Media Research for Advertising/ 
Jeffrey Spencer. 
 - Wilmington, USA;  American Academic Publisher:  2024. 
 - 303p.  ill. 
<br/><br/><label>ISBN: </label>9781666870923 
<br/><br/><label>Dewey Class. No.: </label>659.1  / SPE.M