Leftwich, Richard H. <br/><br/>
Economics of social issues / 
Richard J. Leftwich, Ansel M. Sharp. 
 - 5th ed. 
 - Plano, TX :  Business Pub,  c1982. 
 - x, 380 p. : ill. 
<br/><br/> Includes supplementary readings and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics