Zwiebach, Barton <br/><br/>
First Course in String Theory 
Zwiebach, Barton 
 -  Cambridge University Press  2004 
 - On-campus e-Book by ebrary under Digital Library Program of Higher Education Commission (HEC) of Pakistan 
<br/><br/><label>ISBN: </label>9780511211157     
<br/><br/><label>Subjects--Topical Terms: </label><br/>Physical Science