Canter, Lee. Assertive discipline positive behavior management for today's classroom by Lee Canter and Marlene Canter. - [New and rev. ed.] - Santa Monica, CA. Lee Canter and Associates c1992. - xix, 263 p. ill. 24 cm. Includes index. ISBN: 0939007452 LCCN: 92071250 Subjects--Topical Terms: Students--Discipline.Classroom management