TY  - BOOK
AU  - HALPERIN, Sandra
AU  - HEATH, Oliver
TI  - Political Research Methods and Practical Skills: methods and practical skills
SN  - 9780199558414
U1  - 320.072 
PY  - 2012///
CY  - Oxford
PB  - Oxford University Press
KW  - Political science -- Research -- Methodology
ER  -