Mokyr, Joel <br/><br/>
Lever of Riches : Technological Creativity and Economic Progress 
Mokyr, Joel 
 -  Oxford University Press, USA  1990 
 - On-campus e-Book by ebrary under Digital Library Program of Higher Education Commission (HEC) of Pakistan 
<br/><br/><label>ISBN: </label>9780199762712     
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social Sciences