OPERATIONS RESEARCH AN INTRODUCTION  
BHATTI,S.A. 
 - 3rd 
 - LAHORE,  SHAHARYAR PUBLISHERS  2016. 
 - 552p. ;  24 cm. 
<br/><br/><label>ISBN: </label>978-969-669-030-6 
<br/><br/><label>Dewey Class. No.: </label>658.4034 BHA