TY  - BOOK
AU  - Barakso Maryann
TI  - Understanding political science research methods :  The challenge of inference
SN  - 9780415895200 (pbk)
U1  - W:f, Q4 
PY  - 2014///
CY  - New York
PB  - Routledge U.S.A     
KW  - POLITICAL SCIENCE
ER  -