TY  - BOOK
AU  - Yin,Robert K.
TI  - Case study research: design and methods 
T2  - Applied social research methods series
SN  - 0761925538
U1  - 300.722 YIN 
PY  - 2003///
CY  - London
PB  - Sage
KW  - Research methods
KW  - Social research
N1  - Includes index; Bibliography : p 167-174
UR  - http://
ER  -