Barbour, Edna H. <br/><br/>
PL/1: a self instruction manual 

 - New York  MacMillan  1970 
 - vi,301p.  28cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>PL/I(Computer program language)
<br/><br/><label>LC Class. No.: </label>QTO QA76.5.B3