TY  - BOOK
AU  - Peter John
TI  - Field Experiments in Political Science and Public Policy: Practical lessons in design and delivery 
SN  - 978-1-138-77683-8
U1  - Cir. 320.072 J65 C2017 
PY  - 2017///
CY  - New York
PB  - Routledge
ER  -