Kalavathy, S <br/><br/>
Operation research 
S Kalavathy 
 - 4th ed 
 - Noida  Vikas publishing house  2018 
 - 533p  PB. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>9789325963474  475 
<br/><br/><label>Subjects--Topical Terms: </label><br/>OPERATION  MANAGEMENT
<br/><br/><label>Dewey Class. No.: </label>658.4038 KAL(OPE)Ed4