TY  - BOOK
AU  - JOHN,Peter
TI  - Field experiments in political science and public policy: practical lessons in design and delivery 
SN  - 9781138776838 (pbk)
U1  - 320.0724 
PY  - 2017///
CY  - London
PB  - Routledge
KW  - Policy sciences--Research--Methodology
ER  -