Business Models for the Circular Economy : Opportunities and Challenges for Policy. Paris : OECD, 2019. 110 s. Available on Internet: <https://www.oecd-ilibrary.org/environment/business-models-for-the-circular-economy_g2g9dd62-en> ISBN 978-92-64-31141-1. [Copy count : 1, currently available 0, at library only 1]