Competitiveness in South East Europe : A Policy Outlook 2018. Paris : OECD, 2018. 701 s. Competitiveness and Private Sector Development. Dostupné na : <https://www.oecd-ilibrary.org/development/competitiveness-in-south-east-europe_9789264298576-en> ISBN 978-92-64-29858-3.