Leeson Daniel N , etc <br/><br/>
Basic programming concepts and the IBM 1620 comput 
Leeson Daniel N , etc 
 - 2nd 
 - New York  Holt Rinehart and Winston USA       1968 
 - xii, 460p. Bibliography P 447-48, Glossary P 436-46  cm. 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer Science
<br/><br/><label>Dewey Class. No.: </label>D6,9(B), K8