JOHN, Peter, Field experiments in political science and public policy : practical lessons in design and delivery - London Routledge 2017 - xiii, 207 p. 23 cm. - Routledge Studies in Experimental Political Science. . ISBN: 9781138776838 (pbk) LCCN: 2016032526 Subjects--Topical Terms: Policy sciences--Research--Methodology Dewey Class. No.: 320.0724 / JOH-F