TY  - BOOK
AU  - Yin, Robert K.
TI  - Case Study Research :Design and Methods /Robert K. Yin
U1  - 300.722YIN 
PY  - 2003///
CY  - Thousand Oaks
PB  - SAGE Publications
KW  - Social SCiences_Research- Methodology
KW  - Case Study Research
ER  -