TY  - BOOK
AU  - Yin,Robert K.
TI  - Case study research: design and methods 
SN  - 9781412960991 (pbk.)
U1  - 300.722 YIN 
PY  - 2009///
CY  - Los Angeles
PB  - Sage
KW  - Case method
KW  - Social sciences
KW  -  Research
KW  - Methodology
N1  - Includes bibliographical references (p. 193-202) and index
ER  -