TY  - BOOK
AU  - Charles C. Ragin 
AU  - Howard S. Becker
TI  - What is a case?: Exploring the foundations of social inquiry
SN  - 9780521421881
AV  - HM48 .W55 1992
PY  - 1992///
CY  - Cambridge
PB  - Cambridge University Press
N1  - Includes bibliographical reference and index
ER  -