Eller, Warren S Public administration research methods: Tools for evaluation and evidence-based practice - 2nd ed. - New York Routledge 2018 - xiv, 522 p. 3698 05/11/2019 HBD19/8058 09/12/2019 Main Budget ISBN: GBP74.99 Dewey Class. No.: 350.00072 E54P(2)