TY  - BOOK
AU  -  Yin, Robert K.
TI  -  Case study research: design and methods 
SN  -  0803920571
PY  - 1984///
CY  -  Beverly Hills, Calif.
PB  -  Sage Publications
KW  -  Case method
KW  -  Social sciences
KW  -  Research
N1  -  Includes indexes;  Bibliography: p. 147-151
ER  -