TY  - BOOK
AU  - Halperin,Sandra
AU  - Heath,Oliver
TI  - Political research: methods and practical skills 
SN  - 9780198702740
AV  - JA 86 H34 2017
PY  - 2017///
CY  - Oxford
PB  - Oxford University Press
KW  - Political science
KW  - Research
KW  - Methodology
ER  -