TY  - BOOK
AU  - Swanborn, Peter G .
TI  - Case study research: what, why and how? 
SN  - 9781849206112 
U1  - 300.722 
PY  - 2010///
CY  - New Delhi
PB  - SAGE Publication
KW  - Research
KW  - Methodology
KW  - historical background
ER  -