Gapmaster  English  [Books]. 
Wida Software Development. 
 -  Wida Software Development.  1988 
 - 33 pages :  illustrations ;  22cm  one computer disk (5 1/4 in). 
<br/><br/><label>ISBN: </label>9781853920905 
<br/><br/><label>Subjects--Personal Names: </label><br/>English language -- Data processing.<br/>English language -- Grammar.
<br/><br/><label>Dewey Class. No.: </label>PE/1074.5  / GAP