TY  - BOOK
AU  - Yin, Robert K.
TI  - Case study research: Design and methods
SN  - 0761925538
U1  - 300.722 
PY  - 2003///
CY  - Thousand Oaks, California
PB  - Sage Publications
KW  - Social Sciences -- Research -- Methodology
KW  - Case Method
ER  -