Sharma, J K <br/><br/>
Operations Research:problems and solutions/ 3rd Ed. 
J K Sharma 
 - New Delhi  Mac Millan  2010 
 - 894p. 
<br/><br/><label>ISBN: </label>9 780230 636590 
<br/><br/><label>Dewey Class. No.: </label>519.8  / SHA