Gupta, P K <br/><br/>
Problems in operations research : methods and solutions 

 - 8 rev. 
 - New Delhi  S Chand  1997 
 - xiv, 971p  
<br/><br/> Reprint year 2000. 
<br/><br/><label>ISBN: </label>8170143594 
<br/><br/><label>Subjects--Topical Terms: </label><br/>CPM<br/>Linear programming<br/>Mathematics<br/>Operation research<br/>PERT