Canter, Lee. Assertive discipline : a take charge approach for today's educator / Lee Canter, with Marlene Canter. - Seal Beach, Calif. : Canter and Associates, c1976. - 191 p. : forms ; 22 cm. ISBN: $4.95 LCCN: 76042182 Subjects--Topical Terms: School discipline. LC Class. No.: LB3013 / .C33 1976 Dewey Class. No.: 371.1/02