DL/1 application programming I0074 /  study guide 
IBM 
 - White Plains, N.Y. :  International Business Machines Corporation,  1978 
 - 274 p. :  ill. ;  30 cm. 
<br/><br/> 'Independent study program'  'SR20-7339-2' 
<br/><br/><label>Subjects--Topical Terms: </label><br/>DL (Computer program language)<br/>Electronic digital computers--Programming<br/>Data base management