TY  - BOOK
AU  - Halperin,Sandra
AU  - Heath,Oliver
TI  - Political research: Methods and practical skills
SN  - 9780199558414
U1  - 320.072 
PY  - 2012///
CY  - Oxford
PB  - Oxford University Press
KW  - Political science-Research methodology
N1  - Includes glossary and index
ER  -