JOHNSON, David W. [et .al] <br/><br/>
Revised Circles of Learning: Cooperation in the Classroom / 

 - Edina :  Interaction Book Company ,  1986 . 
 - 124 p . :  ill . ; pictures ; 21 cm 
<br/><br/> Includes references  
<br/><br/><label>ISBN: </label>0939603012 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Learning
<br/><br/><label>Dewey Class. No.: </label>153.15