Kalavathy, S.21. <br/><br/>
Operations  Research 

 - 4th /   2013. 
 - Noida:  Vikas  Publishing  House  Pvt. Ltd.,  2013. 
 - 533p. 
<br/><br/><label>Subjects--Personal Names: </label><br/>Mathematics.,  Operations  Research. 
<br/><br/><label>Dewey Class. No.: </label>507.2