Block A exploring the data  : unit A0 introduction 

 - Walton Hall  ; The Open University  , 1983 
 - 62p. 
<br/><br/><label>ISBN: </label>0335141250  £4.95 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer Programming<br/>Computer Science<br/>Data
<br/><br/><label>Dewey Class. No.: </label>005.7  / BLO