Atherton, Roy <br/><br/>
Structured programming with comal 

 - Chichester :  Ellis Horwood Ltd,  1982 
 - 266p., 24cm 
<br/><br/><label>ISBN: </label>0853124167 
<br/><br/><label>Subjects--Topical Terms: </label><br/>COMAL ( Computer program language )<br/>Structured programming
<br/><br/><label>Dewey Class. No.: </label>005.133  / ATH