Ackoff Russell L <br/><br/>
Introduction to operatioas research 

 - Bombay  Asia Publisher House         1957 
 - x,645p.  cm. 
<br/><br/><label>Standard No.: </label>21104 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>B2893, J7;K2