TY  - BOOK
AU  - Yin,Robert K.
TI  - Case study research: design and methods 
T2  - Applied social research methods v. 5
SN  - 9781412960991
AV  - H62 .Y56 2009
U1  - 300.722 
PY  - 2009///
CY  - New Delhi
PB  - Sage
KW  - Case method
KW  - Social sciences
KW  - Research
ER  -