TY  - BOOK
AU  - Yin, Robert K.
AU  - 
TI  - Case study research: design and methods
SN  - 0-8039-5663-0
U1  - 001.432 
PY  - 1994///
CY  - New Delhi
PB  - Sage
KW  - Case method
KW  - Social science research- methodolgy
N1  -  RUDAT
ER  -