Colin Opie <br/><br/>
QL assembly language programming 

 - London  MCGRAW-HILL  1984 
 - 270 p.  24 cm.  HB 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>Programming  QL
<br/><br/><label>Dewey Class. No.: </label>005.133  / OPI