TY  - BOOK
AU  - Stake, Robert E
AU  - 
TI  - art of case study research
SN  - 0-8039-5767-X
U1  - 001.8 
PY  - 1995///
CY  - London
PB  - Sage
KW  - Education-research-methodology
KW  - Case study method
N1  -  RUDAT
ER  -