Rao, Ambar G. <br/><br/>
Quantitative theories in advertising / 
Ambar G. Rao 
 - New York :  John Wiley & Sons,  1970 
 - 103 p. :   ill. ;   23 cm. 
<br/><br/><label>ISBN: </label>7471708208 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Advertising