Gupata, Deepak. <br/><br/>
Guide for IES :  Engineering Services Examination 

 - Noida :  G.K. Publishers (PVT.) LTD.  c2005. 
 -  ill.; 
<br/><br/><label>ISBN: </label>8186555447 
<br/><br/><label>Dewey Class. No.: </label>621.381  / GUP