Welch, Patrick J. <br/><br/>
Economics : theory and practice / 
Patrick J. Welch, Gerry F. Welch 
 - 9th ed. 
 -  J. Wiley  2010 
<br/><br/>22566 
<br/><br/><label>ISBN: </label>9780470450093 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics
<br/><br/><label>LC Class. No.: </label>HB  / 171.5