TY  - BOOK
AU  - King, Gary,
AU  - Verba, Sidney ,
AU  - Keohane, Robert O. ,
TI  - Designing social inquiry: scientific inference in qualitative research
SN  - 9780691034713
U1  - 300.72 KIN  
PY  - 1994///
CY  - Princeton
PB  - Princeton University Press
ER  -