Mrs.C's Economics with Ease:  A Workbook for Microeconomics 
COTTRELL Marilyn Brock University 
 - Revised Printing 
 - USA  KendaHunt Pub.company  2007. 
 - viii,106p. 
<br/><br/><label>ISBN: </label>9780757596643 
<br/><br/><label>LC Class. No.: </label>HB 172  / .C67 2007