Van Tassel, Dennie,  1939- <br/><br/>
Introductory COBOL / 
Dennie Van Tassel. 
 - San Francisco :  Holden-Day,  1980. 
 - 419 p. :  ill. ;  28cm. 
<br/><br/><label>ISBN: </label>0816291330 
<br/><br/><label>Subjects--Topical Terms: </label><br/>COBOL (Computer program language).<br/>Computers.