Allen, Richard Howell. Impact teaching : ideas and strategies for teachers to maximize student learning/ Richard Howell Allen. - Boston : Allyn & bacon, 2002. - xiv, 247 p. : 24 cm. Includes bibliographical references (p. 239-241) and index. ISBN: 9780205334148 Subjects--Topical Terms: Effective teaching. LC Class. No.: LB1025 / ALL 2002