Social Impact Investment 2019 : The Impact Imperative for Sustainable Development. Paris : OECD, 2019. 243 s. Available on Internet: <https://www.oecd-ilibrary.org/development/social-impact-investment-2019_9789264311299-en> ISBN 978-92-64-31128-2. [Copy count : 1, currently available 0, at library only 1]