dave ruffles,colin hebden,nigel cresswell <br/><br/>
planning and control for it services 

 - 
 - London  HMSO  1991 
 - 60 
<br/><br/>  
<br/><br/><label>ISBN: </label>0-11-330548-6 
<br/><br/><label>Dewey Class. No.: </label>004