Merrell, Kenneth W. School psychology for the 21st century : foundations and practices/ Kenneth W. Merrell, Ruth A. Ervin, Gretchen A. Gimpel - New York : The Guilford Press, c2006 - xvi, 368 p.; 26 cm. Includes bibliographical references and index ISBN: 1593852509 $ 50.00 Subjects--Topical Terms: School psychology--U.S. Dewey Class. No.: 371.4