Ziemek, Susanne, <br/><br/>
The Economics of Volunteer Labor Supply : 

 -  Peter Lang Pub Incorporated,  2003. 
 - 229 pages 
<br/><br/><label>ISBN: </label>9783631513897 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Business & Economics.
<br/><br/><label>Dewey Class. No.: </label>331.10951  / ZIE