Berger, Arthur Asa, Media and communication research methods : an introduction to qualitative and quantitative approaches / Arthur Asa Berger. - Thousand Oaks, Calif. : Sage Publications, c2000. - xix, 295 p. : ill. ; 24 cm. Includes bibliographical references and indexes. ISBN: 0761918523 (alk. paper) 0761918531 (pbk. : alk. paper) Subjects--Topical Terms: Mass media--Research--Methodology.Communication--Research--Methodology. Dewey Class. No.: 302.23072 / BEM 2000