Yin, Robert K . Case study research design and methods / Robert K.Yin. - New Delhi : Sage Publications India , 1984. - 160p. : Tables ; 18cm . - Applied social research methods series v-5, NULL NULL; . - Applied social research methods series v-5, NULL NULL; . Include index ISBN: 080392058x USD 8.95 Subjects--Index Terms: SOCIAL SCIENCE-RESEARCH Dewey Class. No.: 300.722 / YIN/C