Szafran, Robert <br/><br/>
Answering questions with statistics 

 - 1st 
 - Los Angeles  Sage Publications  2012 
 - xvii,415p p. 
<br/><br/><label>ISBN: </label>978-1-4129-9132-2 
<br/><br/><label>Subjects--Index Terms: </label>SPSS (Computer file)