Cooper, Harris. Synthesizing research : a guide for literature reviews / Harris Cooper. - 3rd ed. - Thousand Oaks : Sage Publications, c1998. - xii, 201 p. ; 22 cm. - (Applied social research methods ; v. 2) . Includes bibliographical references and index. ISBN: 0761913483 Subjects--Topical Terms: Social sciences Research. LC Class. No.: H62 / .C66 1998