TY  - BOOK
T1  - Case study research :design and methods /
DA  - c2009.
CY  - Los Angeles, Calif. :
AU  - Yin, Robert K.
ET  - 4th ed.
VL  - 5
CN  - H62
CN  - H62
PB  - Sage Publications,
PP  - Los Angeles, Calif. :
PY  - c2009.
ID  - 350170
KW  - Case method.
KW  - Social sciences
SN  - 9781412960991 (pbk.)
SN  - 1412960991 (pbk.)
TI  - Case study research :design and methods /
ER  -