Kratochwill Thomas R. <br/><br/>
Single subject research : Strategies for evaluating change 

 - New York, USA  Academic Press   1978 
 - xx,316p. 
 - Educational psychology .
<br/><br/><label>ISBN: </label>0-12-425850-6 
<br/><br/><label>Source: </label>Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education - Psychology