The dynamics of instructional groups. 

 - Chicago  University of Chicago Press  1960. 
 - 286 p.  ill.  24 cm. 
 - Yearbook of the National Society for the Study of Education  [new ser.], 59th, pt.2 .
<br/><br/>Includes bibliographical footnotes. 
<br/><br/><label>LCCN: </label>60001494  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Classroom management<br/>Discussion<br/>Social groups