Besley, Timothy <br/><br/>
The principles of targeting /  
Timothy  Besley and Ravi Kanbur 
 - Washington :    The World Bank,    1990 
 - 41 p. :    ill. ;    30 cm. 
<br/><br/>Includes bibliographical references (p.21-22) 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Target marketing