Virgile, Robert <br/><br/>
An array of challenges :  test your SAS skills / 
Robert Virgile 
 - Cary, NC :  SAS Institute Inc.,  1996 
 - x, 174 p. :  ill. ;  23 cm. 
<br/><br/><label>ISBN: </label>1555448062  hadiah 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>SAS (Computer file)--Problems, exercises, etc.
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematical statistics--Data processing--Problems, exercises, etc.