Cheesman, Peter. Positive behavior management : a manual for teachers / P. L. Cheesman and P.E. Watts. - New York : Nichols Pub. Co., 1986, c1985. - 164 p. : ill. ; 22 cm. Includes index. Bibliography: p. 163. ISBN: 0893972274 : 0893972282 (pbk.) : Subjects--Topical Terms: Classroom management.Behavior modification. Dewey Class. No.: 371.1024 / CHP 1986