Krugman, Paul R, <br/><br/>
Essentials of economics / 
Paul Krugman, Robin Wells. 
 - Fourth edition. 
 - xxiv, 608+ [48] pages :  il. color, gráficas ;  28 cm. 
<br/><br/><label>ISBN: </label>9781464186653 1464186650 
<br/><br/><label>LC Class. No.: </label>HB 171 5  / K72 2017