OECD Compendium of Productivity Indicators 2017. Paris : OECD, 2017. 122 s. OECD Compendium of Productivity Indicators. Available on Internet: <http://www.oecd-ilibrary.org/economics/oecd-compendium-of-productivity-indicators-2017_pdtvy-2017-en> ISBN 978-92-64-27325-2. [Copy count : 1, currently available 0, at library only 1]