Bany, Mary A. Classroom group behaviour : group dynamics in education / by M ary A. Bany and Lois V. Johnson. - New York : Macmillan, 1964. - xii, 412 p. : illus. ; 25 cm. Icludes bibliographical references. Subjects--Topical Terms: Classroom management.Social groups. Dewey Class. No.: 371.5 BAN