Atherton, Roy,  1933- <br/><br/>
Structured programming with COMAL / 
Roy Atherton. 
 - Chichester:  Ellis Horwood,  1982. 
 - 266p.;  24 cm. 
 - The Ellis Horwood series in computers and their applications. .
<br/><br/><label>ISBN: </label>0853124167 
<br/><br/><label>Subjects--Topical Terms: </label><br/>COMAL (Computer program language).<br/>Structured programming.<br/>BASIC (Computer program language).