Harrow, Keith. <br/><br/>
Problem solving using PL/I and PL/C / 
Keith Harrow. 
 - Englewood Cliffs, N.J. :  Prentice-Hall,  c1984. 
 - xvi, 447 p. ;  24 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0137117965 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>PL/I (Computer program language).<br/>PL/C (Computer program language).<br/>Computer programming.<br/>Problem solving--Data processing.