Walker,James e. . Behavior Management a practical approach for educators / [Book :] James E.Walker. - 5th ed. - New York : Collier Macmillan Canada.inc, 1991. - 331p. ; : ill ; 24cm. ISBN: 0029464595 Subjects--Personal Names: walker. james e. . Dewey Class. No.: 658.8 National Library of Medicine Call No.: / W B