Gupta, P.K. . <br/><br/>
Problems in Opperation Research /  Textual Documents 
P.K..Gupta,Hira. 
 - Sl :  Sn ,  1921. 
<br/><br/><label>Subjects--Index Terms: </label>Statistics 
<br/><br/><label>Dewey Class. No.: </label>311  / Gu 959 Pr