Systems Approaches to Public Sector Challenges : Working with Change. Paris : OECD, 2017. 146 s. Available on Internet: <http://www.oecd-ilibrary.org/governance/systems-approaches-to-public-sector-challenges_9789264279865-en> ISBN 978-92-64-27985-8. [Copy count : 1, currently available 0, at library only 1]