TY  - BOOK
AU  - Yin,Robert K.
TI  - Case study research: design and methods 
T2  - Applied social research methods series
SN  - 9781412960991
AV  - H62 .Y56 2009
PY  - 2009///
CY  - California
PB  - Sage Publications
KW  - Case method
KW  - Social sciences
KW  - Researces
KW  - Methodology
N1  - Includes bibliographical references and index
ER  -