TY  - BOOK
AU  - Halperin,Sandra
AU  - Heath,Oliver
TI  - Political research: methods and practical skills 
SN  - 9780198702740
U1  - 320.072 
PY  - 2012///
CY  - Oxford
PB  - Oxford University Press
KW  - Political science
KW  - Research
KW  - methodology
ER  -