Engineering Economy /	 
Zahid A. Khan 
 - New Delhi :  Pearson,  2012. 
 - 400 p. ; 
<br/><br/> Paperback. 
<br/><br/> PB 
<br/><br/><label>ISBN: </label>978-81-317-63872 
<br/><br/><label>Dewey Class. No.: </label>658.15  / ZAH