Gupta P.K. Hira D.S. <br/><br/>
Oprationa Research 

 - 0 
 - NULL  S. Chand  1994 
 - 1055 
<br/><br/><label>ISBN: </label>NULL 
<br/><br/><label>Subjects--Topical Terms: </label><br/>NULL
<br/><br/><label>Dewey Class. No.: </label>N.D.