Heck, Ronald H <br/><br/>
An introduction to multilevel modeling techniques 
Ronald H. Heck and Scott L. Thomas 
 - Mahwah, NJ  Lawrence Erlbaum Associates  c1999 
 - xiii, 209 p. : ill. ; 24 cm. 
<br/><br/> Includes bibliographical references (p. 193-199) and indexes 
<br/><br/><label>ISBN: </label>9780805829631 
<br/><br/><label>ISSN: </label>99019115 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social sciences - Mathematical models<br/>Social sciences - Research - Mathematical models
<br/><br/><label>Dewey Class. No.: </label>300.15118 HEC