The dynamics of instructional groups. - Chicago : University of Chicago Press, 1960. - 285 p. : ill. ; 24 cm. - Yearbook of the National Society for the Study of Education ; [ne w ser.], 59th, pt. 2 . Includes bibliographical references LCCN: 60-001494 Subjects--Topical Terms: Classroom management. Social groups. Discussion. Dewey Class. No.: 371.102