Hill, MaryAnn <br/><br/>
SPSS missing value analysis 7.5 / 
MaryAnn Hill 
 - Chicago :  SPSS Inc.,  1997 
 - vii, 82 pages :  illustrations ;  23 cm. 
<br/><br/>Includes bibliographical references [p. 77] and indexes. 
<br/><br/><label>ISBN: </label>1568271654  RM 155.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social sciences--Statistical methods--Computer programs.