Johnson, David W., <br/><br/>
Los nuevos circulos de aprendizaje  cooperacion en el salon de clases y en la escuela 
David W. Johnson, Roger T. Johnson, Edythe Johnson Holubec. 
 - Alexandria, Va.  Association for Supervision and Curriculum Development  c1994. 
 - 111 p.  ill. 
<br/><br/>Includes bibliographical references (p. 106-110). 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Group work in education<br/>Cooperation--Study and teaching
<br/><br/><label>Dewey Class. No.: </label>371.3/95