TY  - BOOK
AU  - King,Gary
AU  - Verba,Sidney
AU  - Keohane,Robert O.
TI  - Designing social inquiry : scientific inference in qualitative research
SN  - 0-691-03471-0
U1  - 300.72 
PY  - 1994///
CY  - New Jersey
PB  - Princeton University Press
KW  - Social  science - Research
ER  -