Sprowls, R. Clay. <br/><br/>
Introduction to PL/I programming 
[by] R. Clay Sprowls. 
 - New York,  Harper & Row  [1969] 
 - viii, 179 p.  illus.  29 cm. 
<br/><br/><label>Subjects--Index Terms: </label>PL/I (Computer program language)  Computer programming. 
<br/><br/><label>Dewey Class. No.: </label>001.6/42  / SPR