Bany, Mary A. <br/><br/>
Classroom group behavior  group dynamics in education 
Mary A. Bany [and] Lois V. Johnson. 
 - New York  Macmillan  [c1969],c1964. 
 - xii, 412 p.  illus. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Classroom management<br/>Social groups