Acheson, Keith A., 1925- Techniques in the clinical supervision of teachers : preservice and inservice applications / Keith A. Acheson, Meredith Damien Gall. - 3rd ed. - New York : Longman, c1992. - xvi, 238 p. : ill. ; 24 cm. Includes bibliographical references and index. ISBN: 0801304695 Subjects--Topical Terms: Student teaching.Teachers -- In-service training.School supervision.Observation (Educational method)Teachers' workshops. LC Class. No.: LB2157.A3 / A29 1991