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

 - Ed.8 
 - New Delhi  Sultan Chand  1997 
 - xib,971  
<br/><br/><label>ISBN: </label>8170143594 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Linear programming -- Mathmatics<br/>Operation research