George, Darren <br/><br/>
IBM SPSS statistics 23 step by step : a simple guide and reference / 
George, Darren 
 - xiii, 382 p. : ill ; 24 cm. 
<br/><br/><label>ISBN: </label>9780815366560 
<br/><br/><label>Dewey Class. No.: </label>005.55