TY  - BOOK
AU  - Halperin, Sandra
AU  - Heath, Oliver
TI  - Political research : methods and practical skills
SN  - 978-0-19-955841-4
U1  - 320.72 23rd.
PY  - 2012///
CY  - Oxford
PB  - Oxford University Press
KW  - Political science-Research
UR  - www.oup.com
ER  -