TY  - BOOK
AU  - Yin,Robert K.
TI  - Case study research: design and methods 
SN  - 080393470X
AV  - H62 .Y56 1988
PY  - 1989///
CY  - Newbury Park, [Calif.]
PB  - Sage Publications
KW  - Case method
KW  - Social sciences
KW  - Research
KW  - Methodology
KW  - SOM1
N1  - Includes bibliographical references (p. 153-157) and indexes
ER  -