Duncan, Judith <br/><br/>
Student guide and workbook to the geography of economic systems, Ber ry, Conkling, Ray /  
Judith Duncan 
 - Englewood Cliffs, N.J. :    Prentice-Hall,    c1976. 
 - xi, 142 p. :    ill., maps ;    28 cm. 
<br/><br/><label>ISBN: </label>0133513386 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Economic geography.
<br/><br/><label>Dewey Class. No.: </label>330.904