Barker, Philip G. <br/><br/>
Author languages for CAL / 
Philip G. Barker. 
 - Basingstoke :  Macmillan Education,  1987. 
 - x, 255 p. :  ill. ;  25 cm. 
 - Macmillan computer science series .
<br/><br/><label>ISBN: </label>0333425391 0333425405 
<br/><br/><label>LCCN: </label>g  00061552 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer-assisted instruction<br/>Computer programming
<br/><br/><label>Dewey Class. No.: </label>371.39445