Gupta,R K <br/><br/>
Linear Programming. 
by R K Gupta 
 - 15th Ed. / . 
 - Meerut:  krishna Prakashan Media Pvt. Ltd. 
 - Viii,431p.:  22 cm. 
<br/><br/><label>Subjects--Index Terms: </label>Algebra.Mathematics 
<br/><br/><label>Dewey Class. No.: </label>512.5