Hughes, Joan K.  <br/><br/>
PL/I structured programming / 
Joan K. Hughes 
 - 2nd ed. 
 - New York :  Wiley,  1979 
 - 825 p. :   ill.  ;  24cm 
<br/><br/> First ed. published in 1973 under title: PL/I programming  Includes index 
<br/><br/><label>ISBN: </label>0471019089 
<br/><br/><label>LCCN: </label>78-15665 
<br/><br/><label>Subjects--Topical Terms: </label><br/>PL/I (Computer program language)