Johnson David W. <br/><br/>
Learning together and alone : Cooperative, competitive, and individualistic learning 

 - 5th 
 - Boston, USA  Allyn and Bacon  1999 
 - xi,260p. 
<br/><br/><label>ISBN: </label>0-205-28771-9 
<br/><br/><label>Source: </label>Reference 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Group work in education; Lesson planning; Learning