Kreft, Ita <br/><br/>
Introducing multilevel modeling 

 - LoNew Delhion  Sage Publications  1998 
 - x,149p.  23 cm. 
 - Introducing Statistical methods .
<br/><br/><label>ISBN: </label>0761951415 
<br/><br/><label>Dewey Class. No.: </label>300.72  / KRE