Jefkins, Frank <br/><br/>
The secrets of successful direct response marketing \  
Frank Jefkins. 
 - Oxford :   Heinemann Professional,    1988. 
 - 205p. :    23 cm. 
<br/><br/> Includes index 
<br/><br/>Bibliography: p.188-189 
<br/><br/><label>ISBN: </label>0434908991 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Direct mail marketing