Simon, Dennis J., Supervision in school psychology : the developmental, ecological, problem-solving model / Dennis J. Simon and Mark E. Swerdlink. - New York : Routledge, 2017. - xii, 336 pages : figures ; 23 cm. Includes bibliographical references and index. ISBN: 9781138121539 Subjects--Topical Terms: School psychology. Dewey Class. No.: 370.15 / S1