Open university <br/><br/>
Systems management 

 -  1974 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>31963 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>D65,8(B)obX:8, L4