Case, Karl E. <br/><br/>
Principles of economics :  Microeconomics / 
Karl E. Case, Ray C. Fair, and Sharon M. Oster. 
 - Singapore :  Pearson,  2011. 
 - 440 p. : ill. ; 25cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mircroeconomics