SAS INSTITUTE INC <br/><br/>
SAS Programmer's guide for PL/1. Version 5 

 - Carolina  Sas Institute Inc  1986 
 - xxvii,392p 
<br/><br/><label>ISBN: </label>0-917382-91-9 
<br/><br/><label>Dewey Class. No.: </label>1.642