Case, E. Karl------(core creator) <br/><br/>
Principles of Economics / 
Case, E. Karl, Fair C. Ray, Oster M. Sharon 
 - England :  Pearson Education Limited,   2017 
 - 12th Edition.  806 pages :  illustrations ;   28 cm  
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>9781292152561 (paperback) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Scope and Method of Economics<br/>Economic Problem--Scarcity and Choice