TY  - GEN
AU  - Yin,Robert K.
TI  - Case study research:design and methods
SN  - 9781412960991
U1  - 300.72YIN 22
PY  - 2009///
CY  - London
PB  - SAGE
KW  - Case Methods
KW  - Research-methodology
KW  - Social science
N1  - Include bibliographical references and index
ER  -