Yin, Robert K. Case study research : design and methods / Robert K. Yin ; foreword by Donald T. Campbell. - Beverly Hills, Calif. : Sage Publications, c1984. - 160 p. ; 23 cm. - Applied social research methods series ; v. 5 . Includes indexes. Bibliography: p. 147-151. ISBN: 0803920571 080392058X (pbk.) LCCN: 84009933 Subjects--Topical Terms: Case method.Social sciences--Research. LC Class. No.: H62 / .Y56 1984 Dewey Class. No.: 300.722 / YIC 1984