TY  - BOOK
AU  - Yin,Robert K.
TI  - Case study research: design and methods 
SN  - 0761925538 (pbk. : alk. paper)
AV  - H62 .Y51 2003
PY  - 2003///
CY  - Thousand Oaks, Calif.
PB  - Sage Publications
KW  - Social sciences
KW  - Methodology
N1  - Includes bibliographical references (p. 167-174) and index
ER  -