Özel, Galip. <br/><br/>
Cobol / 
Galip Özel . 
 - İstanbul :  Beta Basım Yayın,  1989. 
<br/><br/><label>ISBN: </label>9754860998 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer Programming and Architecture
<br/><br/><label>LC Class. No.: </label>QA76 
<br/><br/><label>Dewey Class. No.: </label>005.133