Glickman, Carl D. SuperVision and instructional leadership a developmental approach Carl D. Glickman, Stephen P. Gordon, Jovita M. Ross-Gordon. - 7th ed. - Boston Pearson Allyn & Bacon c2007. - xvi, 496 p. ill. 24 cm. Includes bibliographical references and indexes. ISBN: 0205489532 9780205489534 Standard No.: 9780205489534 LCCN: 2006041657 Subjects--Topical Terms: School supervision LC Class. No.: LB2806.4 / .G56 2007 Dewey Class. No.: 371.203 / G5593s7