Principles of economics 
Case, Karl E. 
 - Eleventh Edition. 
 -  Pearson Education.  2015 
 - 815 p. 
<br/><br/>
<br/><br/><label>ISBN: </label>978-9-81063858-0 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics.
<br/><br/><label>Dewey Class. No.: </label>330 C3371 2015