Gupta &Hira  <br/><br/>
Operation Research 

 - NewDelhi  S.Chand & C0  1983 
 - 918 
<br/><br/><br/>ENGLISH 
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>Research
<br/><br/><label>Dewey Class. No.: </label>658.4