SAS language and procedures:  usage, version 6 

 - 1st ed 
 - Cary, NC:  SAS Institute,  1989 
 - xxx, 638p.:  ill. (some col.);  28 cm 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>1555443710 
<br/><br/><label>Subjects--Topical Terms: </label><br/>SAS (Computer file