Nicholls, Derek. <br/><br/>
Introducing SSADM the NCC guide  [Books]. 
Derek Nicholls. 
 - Manchester  The National Computing Centre Ltd  1987 
 - Pages: 58 
<br/><br/><label>ISBN: </label>0850126282  0.00 
<br/><br/><label>Subjects--Personal Names: </label><br/>Electronic digital computers -- Programming.<br/>Structural Programming<br/>System analysis.
<br/><br/><label>Dewey Class. No.: </label>QA/76.6  / NIC